Mary is 12 years old now, and is three times older than her sister. how old will mary be when she is twice as old as her sister?

What is the solution of the system? Use a graph. y = - 3x + 2 y = - 3x + 4

Describe and correct the error in identifying the like terms in the expression 3x - 5 + 2x*2 + 9x = 3x + 2x*2 + 9x - 5 like terms:3x, 2x*2, and 9x

715 miles in 11 hours how long would it take to drive 845 miles

Abigail made a quilt that has the area of 4,800 sq. inches. The length of the quilt is 1 1/3 times the width of the quilt. What are the dimensions of the quilt

Which number line shows the solution set for |n|≤2

Is the statement 32 + (-17) is 17 units from 32 in the positive direction direction true.

When planning his crops, Farmer Julie knows that her 25 acres can support oranges and pears. She wants to make $7,500 from her crops. She can make $2,050 per acre of oranges (the variable o) and $2,000 per acre of pears (the variable p).

I need to write the number 36 in expanded form

Seven more than 3 times a number is 31. Find the number

Solve for x: 3 < x + 3 < 6