How do I solve 2x-3y=-1 and y=x-1 with substitution?

In which quadrant is - 3-4i located?

a customer has six $1 bills $35 bills $14 bills 7 quarters 10 dimes 7 nickels and 9 pennies the customer buys a pair of shoes for $49.

14-2y=20 solve for y

What is the supplement of 122 degrees

If the ratio of blue shirt to green shirts is 5:12 with a total of 340 shirts, how many shirts are blue

If two variables have a strong positive association, then as one variable increases, the other variable also increases. is it fair to say that an increase in one variable causes an increase in the other variable? explain.

Light bulbs manufactured at a certain factory have a 3% probability of being defective. What is the probability that 5 out of a shipment of 30 will be defective? a. 0.25 b. 0.0016 c. 0.0035 d. 0.167

If - 1 is a root of f (x), which of the following must be true? A factor of f (x) is (x - 1). A factor of f (x) is (x + 1). Both (x - 1) and (x + 1) are factors of f (x). Neither (x - 1) nor (x + 1) is a factor of f (x).

What is the average speed of a cheetah that sprints 100 miles in 4 seconds? How about if it sprints 50 miles in 2 seconds?

A mother is 4 times as old as her daughter. in 3 years, the mother will be 3 times as old as her daughter. how many years old is the daughter now?