X = y^2 - 1

2x - y = 4

Which of the following equations could be the result of using substitution to solve the system?

2y 2 - y - 5 = 0

2y 2 - y - 6 = 0

2y 2 - 2y - 5 = 0

What's the difference in the total value of a $10,000 deposit between an account with an annual simple interest rate of 5.1% and an account with an annual compound interest rate of 5.

How many times larger is 3*10^8 than 6.9*10^9

Samuel used the distributive property to simplify the expression - 6 (-2 - 10x) - 7x and came up with 53x - 12 which is incorrect. What is Samuel's mistake? What is the correct answer?

How do you get the number 24 with the numbers 2,6,4,1

Enrique was asked to solve the equation His steps are shown. Step 1: Step 2: Step 3: Step 4: Which statement about his solution is correct? Select one: a. The problem is worked correctly at each step. b. In Step 2 the problem should be c.

A 10 ft. ladder leans against a wall so the base of the ladder is 4 ft. from the wall. how high up on the wall will the ladder reach? A. 9.17 B. 84 C. 10.4

Why do some merchants, particularly smaller businesses, set a minimum purchase of $10 for any credit card transaction, or simply refuse to take any sort of bank card from consumers?

What is the eqation to 7 + x = 14 3/4

A carpenter estimates it will take 54 person-hours to build an addition on a house. How long will it take if 3 people work together?

Find the range of y = 3cos4x - 2. -5 ≤ y ≤ 5 -5 ≤ y ≤ 1 -3 ≤ y ≤ 3 1 ≤ y ≤ 3