Use addition to solve the linear system of equations. Include all of your work in your final answer.

x - y = 6

y = x - 4

Suppose the radius of a circle is 8 what is the diameter

84.47 is 115% of what number

Estimate √53 between two numbers to the tenths place. 1. Identify perfect squares: 72 = 49 and 82 = 64 2. Estimate between two whole numbers: between 7 and 8 3. Determine the closer whole number:

Suppose Jamal visits a record store with 788 records. If 264 of the records are from the years 1975 to 1979 and Jamal selects a record at random, what is the probability that the record is from 1975 to 1979?

What is (11-8) - 2x6+32x56:72?

How many times larger is 3 x 10^-5 than 6 x 10^-12?

How to solve - 13=5 (1 4m) - 2m?

Ted says that 3 tenths multiplied by 100 equals 300 thousandths. is he correct? use place value chart to explain your answer.

Sally's basic cable plan costs $55 a month and an additional $3 for each premium channel. Cable plan B costs $60 and an additional $2.50 for each premium channel. Which plan is cheaper if Sally wants to order 10 premium channels?

What is the difference of the polynomials? (5x3 + 4x2) - (6x2 - 2x - 9) A. - x3 + 6x2 + 9 B. - x3 + 2x2 - 9 C. 5x3 - 2x2 - 2x - 9 D. 5x3 - 2x2 + 2x + 9