C because you have to do 50÷2=25 and 40÷2=20 and 20-25=5
Answer:
224
Step-by-step explanation:
If c = 1 and d = 2:
(-1³ + 2⁴)² - (-1 + 2)³
(-1 + 16)² -(1)³
(15)² -1
225 -1
224
Answer:
Step-by-step explanation:
5.7 + 2(w+1) = 2w + 9
5.7 + 2w + 2 = 2w + 9
7.7 = 9, which is impossible, so there is no solution.
:::::
-8(4+9r) = 7(-2-11r)
-32-72r = -14-77r
5r = 18
r = 3.6
