Determine whether the expression is a polynomial. If the expression is a polynomial, state whether it is a monomial, binomial, or trinomial. If the expression is not a polynomial, indicate why not.10z + 6
A. monomial
B. trinomial
C. not polynomial, no variable in second term
D. binomial
Answer: D
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Provide an appropriate response. A drapery company needs 412 yards of material to complete an order. They have 210 yards in stock. How many more yards do they need to order to finish the order and have 50 yards left over?
A. 252 yards B. 572 yards C. 462 yards D. 202 yards
Find the limit L for the given function f, the point x0, and the positive number ?. Then find a number ? > 0 such that, for all x, 
f(x) = 
, x0 = -9, ? = 0.01
A. L = 0; ? = 0.01 B. L = -10; ? = 0.01 C. L = 8; ? = 0.02 D. L = -2; ? = 0.02
Find the equations of the system shown on the graphing calculator screen.10
-10
A. x + y = 1 x - 3y = -9 B. 5x + y = 7 x + 2y = -1 C. x - 3y = 9 x + 2y = -1 D. 3x - y = 9 5x + y = 7
Kim has $2,200 invested at 7% interest and $3,200 at 3% interest. Set up a quantity-rate table. Find the average rate (interest rate) for the table by dividing the sum of the Q R column by the sum of the quantity column. Round answer to nearest tenth of a percent.
A) 4.6 B) 5.0 C) 3.8 D) 4.2 E) 5.4