Solve the following system of equations using the

substitution method:

y = x2 + 3x - 12

y = x + 3

What is the probability that a card selected at random from a standard deck of 52 cards is an ace or a heart?

Felicia installed a new pool for $17,190 using a 12-month deferred payment plan with an interest rate of 18.67%. What is the balance after the deferment period if payments of $589 are made each month? a. $10,122.00 b. $20,688.76 c. $13,620.76 d.

For every 2 teachers there are 30 girl students. For every 3 teachers there are 60 boy students. If there are 432 people in the school how many boys, girls and teachers

Alton shoveled snow on 4/6 of his driveway before lunch then he shoveled 2/6 of it after lunch how much more of his driveway did Alton shovel before lunch in after lunch?

The Hu family goes out for lunch, and the price of the meal is $58. The sales tax on the meal is 7%, and the family also leaves a 20% tip on the pre-tax amount. What is the total cost of the meal?

An angle measuring 75° turns through a circle. Write the fraction for how much of the circle the angle turns through.

y = - 6x2 + 3x + 2 rewritten in vertex form

5,000+300+8 in standard form

What is the greatest common factor of 60 84 24

it takes the earth 24 hours to complete a full rotation. It take the sun approximately 25 days, nine hours, and seven minutes to complete a full rotation. How many hours does it take the sun to complete a full rotation?