Find the product of (x − 3)2
A. x2 + 6x + 9
B. x2 + 9
C. x2 − 9
D. x2 − 6x + 9

Adding and subtracting matricesfind the value of each variable. x = and y = would

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of