Evaluate −5y+x3÷9
when x=−3
and y=−1

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?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c