Answer:
0.5
Step-by-step explanation:
delta math
For these problems you have to use PEMDAS so for problem 15 you would do the parentheses first, (21-3) you get 18 and then exponents, 3^2, you get 9, no multiplication but there is division so take your answers, 18 and 9 and divide them, you get 2, so the answer to 15 is 2.
F - 12 = -35
f - 12 + 12 = -35 + 12
f = -23