Choose the letter of the correct answer.. 1. Ilonah is twice as old as Kryssel. Three years from now, the sum of their ages will be 42. How old is Kryssel?
a. 22 b. 25 c.24 d.26
2. The length of a rectangle is x + 5 and its width is
x + 3. What is its perimeter?
a. 4x + 16 b. 4x – 16
c. 2x + 8 d. 2x – 8
3. If you have (100x³ – 5x + 3) pesos and you spent (80x³ – 2x² + 9) pesos in buying foods, how much money is left?
a. 20x³ + 2x² – 5x – 6
b. 180x³ – 2x² – 5x + 3
c. 20x³ - 2x² + 5x + 6
d. 180x³ + 2x² + 5x – 3
4. Which of these expressions represent the situation?
The cost of y face mask bought y or Php 15 each
a. 15 + y b. 15 y c. y / 15 d. 15 / y
5. John needs three pieces of wood whose lengths are 5x² – 2x + 1, 3x² + 8x – 4, and 4x² + 6x – 6. If he is going to buy a single piece of wood (W), how long should the wood be?
a. W = 12x² + 12x – 9 units
b. W = 12x² – 12x + 9 units
c. W = 12x² + 14x + 9 units
d. W = 12x² + 14x – 9 units
Please answer this
a. 22 b. 25 c.24 d.26
2. The length of a rectangle is x + 5 and its width is
x + 3. What is its perimeter?
a. 4x + 16 b. 4x – 16
c. 2x + 8 d. 2x – 8
3. If you have (100x³ – 5x + 3) pesos and you spent (80x³ – 2x² + 9) pesos in buying foods, how much money is left?
a. 20x³ + 2x² – 5x – 6
b. 180x³ – 2x² – 5x + 3
c. 20x³ - 2x² + 5x + 6
d. 180x³ + 2x² + 5x – 3
4. Which of these expressions represent the situation?
The cost of y face mask bought y or Php 15 each
a. 15 + y b. 15 y c. y / 15 d. 15 / y
5. John needs three pieces of wood whose lengths are 5x² – 2x + 1, 3x² + 8x – 4, and 4x² + 6x – 6. If he is going to buy a single piece of wood (W), how long should the wood be?
a. W = 12x² + 12x – 9 units
b. W = 12x² – 12x + 9 units
c. W = 12x² + 14x + 9 units
d. W = 12x² + 14x – 9 units
Please answer this