Answer:
26
Step-by-step explanation:
5x³ - 21 + 7
x = 2
then:
5x³ - 14
5*2³ -14
5*8 - 14
40 - 14
26
Answer:
4/7
Step-by-step explanation:
2/7 x 3= 6/7. 6/7× 2/3=4/7
Answer:
p = 9
Step-by-step explanation:
8(8p + 8) = 640
use the dist property
64p + 64 = 640
<u> -64 -64</u>
64p = 576
divide by 64
p = 9
Answer:
8
Step-by-step explanation: 128 / 16 = 8. So 128 dollars by 16 dollars is 8 dollars