going into the final exam, which will count as two tests, amelia has test scores of 77 84 70 59 and 92. what score does amelia need on the final in order to have an average score of 80?

Which expression is equal to 1/8000 written in scientific notation? A. 8.0 x 10^3 B. 1.25 x 10^-10 C. 125 x 10^-5 D. 1.25 x 10^4

Anders is using casts to make plaster figures. He has a cylinder cast that has a diameter of 8 inches and is 24 inches tall. Anders uses a cone-shaped container with a diameter of 12 inches and a height of 16 inches to fill his casts.

2 (x-3) (x-3) - 8 in standard form

A computer and printer cost a total of $939. The cost of the computer is two times the cost of a printer. Find the cost of each item?

Write as one inequality with an absolute value.

The table shows the relationship y=kx what is the constant of proportionality., k?

Nina put together 6 squares to make a rectangle. There are 3 rows of squares. Each row has 2 squares. How many small and large squares in all are in the rectangle. Explain your answer.

In the cafeteria, there is one large 10-seat table and many smaller 4-seat tables. There are enough tables to fit 200 students. Write an inequality whose solution is the possible number of 4-seat tables in the cafeteria.

Rosalina just started a new job. She has $500 in her bank account. Every week, she deposits $40 into her bank account. Write an expression to represent how much Rosalina has in her account at any given time using x to represent the number of weeks.

Tim solved a subtraction problem. Write a number sentence to show the problem and answer. Tell how you got your answer. tim's answer: 863+7 870+30 900+50