Cara computes the mean and variance for the set 87, 46, 90, 78, and 89. She finds the mean to be 78. Her steps for finding the variance are shown below.

Katherine and Shally had $288 altogether. Katherine gave 1/3 of her share to Shally and their father gave $68 to Shally. They now have the same amount of money. How much money did Shally have at first?

F = 9/5 C + 32 for C

Abby's water bottle holds 200 millilitres. Dale's container holds 3/4 as much water. How many milliliters of water do both containers hold?

At barlow school, 4/9 of the 873 students are boys. At Willow School, 2/3 of the 630 students are girls. which school has the greater number of boys and by how many?

An employees new salary is $20,370 after getting a 5% raise. What was the salary before the increase pay

3 out of 4 students surveyed in a school said they will vote for nuncio for class president predict how many of the 340 students in the school would vote for nuncio

Is 10 a solution of 2y+7 (y-3) = 60

Stephanie has pennies, nickels, dimes, and quarters in her piggy bank. The total value of the coins is 0.01 (n + 10) + 0.05n + 0.1 (n - 10) + 0.25 (n - 5), where n is the number of nickels. What must 0.1 (n - 10) represent? A.

Suppose y = f (x) + k. What effect does k have on the parent function?

Which of the following has a value of 84? a. 83 b. 512 c. 32 d. 4,096