Answer:
C. both A and B
Step-by-step explanation:
The student incorrectly applied the Distributive Property in Step 1 by not multiplying 8 and 7. Then they added 7 to 7 to cancel them out, but subtracted 7 from 75 instead of adding like they did on the other side of the equal sign.
Answer:
Step-by-step explanation:
C
Answer:
B
Step-by-step explanation:
g(x) - h(x)
= 5x² - 10x + 9 - ( - 3x³ + 5x - 6) ← distribute parenthesis by - 1
= 5x² - 10x + 9 + 3x³ - 5x + 6 ← collect like terms
= 3x³ + 5x² - 15x + 15 → B
Answer:
25 = c
Step-by-step explanation:
You had a good start on filling in the values in the Pythagorean Theorem. The work needed to be finished.

1/2+1/2=1
2*12=24
d=24*25
d=600 miles
I believe I did it in my head so not entirely sure but I am heavily certain of my math