1. Simplify: 5(15) + 7(4) = 
A. 84
B. 98
C. 103
D. 111

2. The cost of a stuffed toy is represented by the expression: 350c + 50, where c is the number of stuffed toys purchased plus P50 packaging fee. What is the total cost when c = 3? 
A. 1100
B. 1545
C. 1672
D. 1775

3. Evaluate 5+12/7−10 when a = 3 and b = 2 
A. 2/7
B. 4/26
C. 27/4
D. 5

4. Evaluate 15 – 2y when y = -10 
A. -15
B. -8
C. 27
D. 35

5. Which of the following open sentence is CORRECT when we substitute 4 in y that will make the sentence true? 
A. 3y + 4 = 17
B. 5y – 4 = 16
C. y + 12 = 24
D. 21 = 7y ​