How many solutions does the system of equations have x-2y=6 and 3x-6y=18

Steve's scores on exams #1, #2, and #4 are 89,93 and 87 (out of 100). Unfortunately, he chose to skip exam #3. This resulted in a score of 0 for him on Exam #3.

What is the GCF of 140 and 140 and 80?

You have 3 more nickels than dimes for a total of 1.50 how many of each do you have?

How do I multiple bigger numbers

The function f (x) = - 5x2 + 3 is defined over the domain -4 < x < - 1. Find the range of this function. . A. - 77 < f (x) < - 2 B. 8 < f (x) < 83 C. 8 < f (x) < 23 D. 8 < f (x) < 83 . .

What is the rule for 24, 48, 72,

Eight more then the number Let n represent an unknown number

Yoku Is putting on sunscreen. He uses 2 ml to cover 50 cm² of his skin. He wants to know how many milliliters of sunscreen he needs to cover 325 cm² of the skin.

Find the measures of

Which value of x makes this inequality true? X + 9 < 4x