Given ΔABC = ≅ ΔFDE, m∠A = 5x + 13, m∠B = 2x + 18, m∠E = 8x - 31, and m∠D = 7x - 42, find the value of m∠B.

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?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?