After elise deposits $21.75 into her bank account, her balance is $285.00. which equation can be used to find the amount n in her account before she made the deposit?
select one:
a. n + 285.00 = 21.75
b. n – 285.00 = 21.75
c. 21.75 + n = 285.00
d. 21.75 – n = 285.00

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

X2 + y 2 = 36 x + y = 6 solve the system of equations.