Twice a number is added to the number and the answer is 90. find the number

Find z such that 97.5% of the standard normal curve lies to the left of z

April has 394 paper clips that she has to divide equally between 9 of her coworkers, how many paper clips will each coworker get from April how many paper clips will be left?

Rachel is planning to run an average of 6.4 miles over three consecutive days. On the first day, she ran 6.6 miles, and on the second day, she ran 6.5 miles.

Bus a leaves the station every 12 minutes Bus b leaves the station every 28 minutes Bus a and Bus b leave the station at 8.00 am when will they next leave at the same time

Determine the cardinal number of A={2,4,6,8,10}

The measure of a supplement of angle is 12 more than three times the measure of a complement. find the measure of the angle.

Triangle A is rotated 180° counterclockwise about the origin. Which figure is the transformed figure?

4 girls and 2 boys are working on an art project. They have four square pieces of felt. If each person gets an equal share of the felt, how much of piece of felt will each person get?

In a hypothesis test if the research question is, "do the data indicate that the mean is different from a specific value?" then is the hypothesis test a two-tail, left-tail, or right-tail test?

Will's bedroom is 12, feet long and 8 feet wide. His closet is half the length and half the width of his bedroom. What is the area of Will's closet floor?