The class average for the first social studies test in hannah's class is 85%. a total of 23 students took the test. when the 24 students join the class and took the same test, the class average went up to 85.5%. what grade did the new student earn on the exam?

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.