How much interest will be earned in 4 years from $2,450 placed in a savings account at 6.5% simple interest? (Remember the I=PRT; where I=interest, P=money, R=% as a decimal; and T=time)

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.