Solve the equation by substitution (show work)

2.5x-3y=-13

3.25x-y=-14

Apply the distributive property to factor out the greatest common factor. 44h-33=

Evelyn won an election by a ratio of 4 to 3. If she received 4460 votes, how many votes did her opponent receive?

A six sided die is rolled. Find the probability of rolling a number less than 4

What is the quotient of 5.76*7 and 9.0*10 to the fourth power expressed in scientific notation?

You randomly select one card from a 52-card deck. Find the probability of selecting the five of spades or the seven of clubs.

There are 144 seats in the school multipurpose room the teachers are using one fourth of the seats that are 89 seats being used by the students how many seats are not being used in the multipurpose room

The school cafeteria begins the day with a supply of 1000 chicken nuggets. Each student that passes through the lunch line is given 5 chicken nuggets.

Solve the inequality

By what percentage is 70 less than 200

The average length of a female dolphin is about 215 inches. What is this length in feet and inches.