Can somebody help me with this ASAP please! It asks for 6 statements and reasons.

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days