What is the solution to the systems of equations?

y = 4x + 3
y = -x - 2

a. (-1, -1)

b. (1, 1)

c. infinite solutions

d. no solution

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?