If you were able to use the substitution method to solve the following system, choose the new equation after the expression equivalent to y from the first equation is substituted into the second equation. 15x-y=-6 5x-3y=-13

Is 0.71428571428 a rational number

Kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc she needs? A. 1000 : 3000 B. 1000 * 3000 C. 3000 : 1000 D. 3000 * 100

What is the fraction 6/8 written as a percent? Explain the steps you took to find your answer.

Jack drove 150 miles in 3 hours. at that rate, how long will it taketo drive 400 miles

Wendy is calculating her tax deductions. She finds that she can deduct $5,522 from medical expenses, $7,240 from charitable donations, and $2,126 from property taxes. What is Wendy's total deduction? a. $5,700 b. $15,104 c. $18,284 d. $14,888

A 3pack of boxes of juice costs 1.09. A 12 pack of boxes cost 4.49. A case of 24 boxes costs 8.78. Which is the best buy? Explain your reasoning

What is the answer to: 2.8 x 103 x 3.07 x 105 (written in scientific notation) ?

A restaurant orders corn tortillas and flour tortillas. The ratio of the number of corn tortillas to the number of flour tortillas is 2 : 3. What is the ratio of the number of flour tortillas to the total number of tortillas?

You want to estimate the number of eighth-grade students in your school who find it relaxing to listen to music. You consider two samples.

5 80/100 in decimal form