Answer:
40
Step-by-step explanation:
you have to do this first:
10x4=40
81
(-9)(-9) is 81
Multiplying two negatives gives a positive
<span>n Billy's class, 75% of his classmates had brown hair. 18 of his classmates had brown hair. What's the total number of students in his class?</span>
Not too sure if i can tell u much but the answer on my test is B
Good evening ,
Answer:
The inverse of the function y = x² - 12 is
x = √(y + 12)
Step-by-step explanation:
for y ≥ -12 :
x² - 12 = y ⇔ x² = y + 12 ⇔ x = √(y + 12).
:)
