Answer:
4r^2-14r-30
Step-by-step explanation:
Multiply the binomials
D because you have to use absolute value to solve.
A) and D) is the answer
A) for number 1 and D) for number 2
Answer:
800
Step-by-step explanation:
960 = 2 x 480, so the bacteria will double twice
200 x 2 x 2 = 800