Do 3x+2y=-12 have the same solutions as 3x-2y=12

A rectangle billboard is 9.35 meters wide and 6.82 meters tall. What is the perimeter of the billboard in meters

Simplify the expression. Write the answer using scientific notation. (2 x 1013) - 2

The difference of a number and 8 is the same as 44 less than the number. find the number

Leah prefers babysitting over working at the ice cream store. Out of 20 total hours, what is the maximum number of hours she can babysit to be able to earn at least $120 per month?

How many km per hour must you swim if you want to cross a 5-km channel in 4 hours?

If Ivan has 2/3 hours in his MP3. Is there is more than or less than 60 minutes of jazz on Ivan MP3 player? Explain how you know

Jamal 5/6 of his homework. Margaret finished 3/4 of her homework and Steve finish 10/12 of his homework. Which students finish the same amount of homework?

How do you write the slope intercept form

Algebra 2 Substitutions x-9y=25 6x-5y=3

Math word problem. Mike paid $59.00 for a bike. He paid with FOUR bills. What were the bills? Tell me the denomination of each bill and how many were used. Make sure to explain to me how you know this and how it totals $59.00