Answer:
240
Step-by-step explanation:
5(x² - 1)
5 ((-7)² - 1)
5(49 - 1)
5 (48)
Answer:
its i think the first one and the last one
Step-by-step explanation:
sorry if its wrong but i think it is right
C=18*13
C=234
You just have to multiply
Answer:
m = -5
Step-by-step explanation:
1/5 m = -1
Multiply each side by 5
5*1/5 m = -1*5
m = -5