Solve the System using elimination.

5x-2y=15

7x+7y=-28

What time is it right now on your phone or computer

Marisol bought 20 peices of ribbion for $18. what would be the cost of 30 peices of ribbon

What's 63,889 rounded to the nearest hundred

Your bank assigns a 4-digit personal identification number (pin). the first digit cannot be 0. how many different number combinations are possible

A triangle has two congruent sides one interior angle Of the triangle measures 40° what are two possible measures measures for the other angles

An angle ha turned through 270 one-degree angels. What is the measurement of this angle in degrees?

Find the perimeter of triangle abc with vertices a (-1,2) b (3,6) c (3,-2)

Show steps 3y - 4 < or equal to 5

What is greater - 1.44 or - 1 1/4

Court time is selling tennis rackets for $64.99. The cost to court time is $37.48 per racket. Overhead is estimated to be 20 percent of the selling price. What is the net profit rate?