Solve the equation 8.25z = -99. which equation has the same solution. look at picture

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Do xuan nam isgoing to invest $1000 at a simple interest rate of 4% how long will it take for the investment to be worth $1040?

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm. it decreased by the same amount each year. what was the change in grandpa ernie's height each year