Simplify.

13x+4-8+6x-13x-4

A) - 7x - 16 B) - 6x - 8

C) 6x-8 D) 32x + 16

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