Find the solution to the equations 3x-y=-4 and x+y=0

What is 20% of 60 a. 8 b. 12 c. 15 d. 18 e. 10

Can someone explain to me what is square root and show me an example?

The Aon Centre in Chicago, Illinois is one of the tallest buildings. built in1973

Is Pablo invest $4200 for three years in our $630 what is a simple interest rate

24 pieces of plywood strips that are 2-1/2 inches wide are nailed together to make a gate. How many inches wide is the gate? a 60 b 48-1/2 c 120/2 d 24-1/2

The beginning balance of a credit card account is $500. The monthly interest rate is 0.012. If a payment of $100 is made on the last day of the month, what is the ending balance?

If 25% of an item is $17.00 what is the original price?

Slope and y intercept

A website requires a 7-digit password. How many different passwords can be made using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if each number can only be used once? A. 120 B. 70 C. 5,040 D. 604,800

What is the solution for x in the equation? 3x - 42 = - 6x + 21