How many solutions do these systems of equations have?

1) x=-4y+4 and 2x+8y=8

2) y=4x+3 and 2y-8x=3

3) x-3y=15 and 3x-9y=45

4) y-5x=-6 and 3y-15x=-12

a music teacher has 4 drum kits. Each kit has 2 drumsticks. Each drumstick cost $3. How many drumsticks does she have? What is the cost to replace them all?

Danny has a rectangular rose garden that measures 8 m by 10 m. one bag of fertilizer can cover 16 m2. how many bags will he needto cover the entire garden?

In her "Continue Watching" list on Netflix, Madelyn has 7 half-hour shows. In how many ways can she select four different half-hour shows to watch from her list? A. 35 B. 840 C. 980 D. 5040

How do u find percent of change?

Which algebraic expressions are binomials?

Solve 2 (*+5) + 3*=20 equation with variable on one side

If my diameter is 19 inches, what is my radius?

What is tge area of wall space that is not covered by chalkboard paint

People who often attend cultural activities, such as movies, sports events and concerts, are more likely than their less cultured cousins to survive the next eight to nine years, even when education and income are taken into account, according to a

By the interior angles theorem, if angle a is 25 degrees and angle b is greater than 51 degrees but less than 57 degrees what are the possible measurements for angle c