Answer:
-9
Step-by-step explanation:
2(-x)² - 5 = 157
2x² - 5 = 157
add 5 to each side of the equation:
2x² = 162
divide both sides by 2:
x² = 81
√81 = 9 or -9
Answer:
I cant graph on here
Step-by-step explanation:
10186.28
And that’s how you do it
Answer:
8-2=6 the answer is 6 because there are 4 cps in 1 quart
Step-by-step explanation:
Answer:
49% of the lights are on!