How can (a+3)2=a2+6a+9 be derived from the polynomial identity (a−3)2=a2−6a+9? A. Add 12a to both sides of (a−3)2=a2−6a+9.
B. Add 6 to both sides of (a−3)2=a2−6a+9.
C. Multiply both sides of (a−3)2=a2−6a+9 by −1.
D. Substitute −a for a on both sides of (a−3)2=a2−6a+9.

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

Astore ordered 750 candles a total wholesale cost of $7910.20. the soy candles cosy $12.17 each and thespecialty candles cost $9.58each. how many of each were bought?

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain