Answer: A
Step-by-step explanation: I chose A because I did 11+2x4 and got 19 and then for 22 I did 22+2x4 which is 30.
Answer:

Step-by-step explanation:

Answer:
.75? A pair of jeans sells for $36 after a 25% discount. What is the original price of the jeans? x-0.25x=36
Step-by-step explanation:
$36. Explanation: To find the sale price we can set up a proportion. 25/100 = x/48. ... Then we subtract this discount from the original price yielding 48 – 12 = 36; thus, she ... This cost will be equal to the percent remaining after the discount.
Answer:
4
Step-by-step explanation:
3s=14-2
3s=12
3s/3=12/3
s=4
Answer:
B.
f(x) and g(x) are closed under subtraction because when subtracted, the result will be a polynomial.
Step-by-step explanation:

Assume m>=n WOLOG


Are also a polynomial in general, but maybe in a different degree
Closure under subtraction means, for all polynomials, under the operation of subtraction, it also belongs to polynomials