The number of students in a chess club decreased from 23 to 19. What is the percent decrease? Round your answer to the nearest percent.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1

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