WHAT I KNOW 1. What is the variable in the expression 10y + 5? B. 5 A. -5 C. y D. 10 2. What is the value of the expression 2x - 5 if x=2? B. 1 C. 9 A. 9 D.-1 3. Which of the following trinomial has a degree of three? A. Vx - 3x +45 B. x3 -- 2x2 + 7 C. 6x4 - X3 + 10 D. X" + 7x2-4 4. What is the difference when you subtract (14x - 16) and (21x - 14)? A. -7x-2 B. 7x + 2 C. 35x + 12 D. - 35x + 12 5. What is the sum of 2x2 + 6x + 5 and 3x2 - 2x - 1 A. 5x2 + 4x + 4 B. 5x2 - 4x - 4 4 C.5x2 + 4x - 1 + D. 5x2 - 2x - 1
plss help me kailangan Kuna to kapag correct answer bigyan lol Ng coins kapag Mali naman diko bigyan promise​