What is the value of x for the following system of equations?

15x-12y=13

30x+9y=4

Julie studied for 3 1 3 hours during the 4 days before her last math test. If she studied for the same amount of time each day, how much time did she spend studying each day?

Which expression finds the measure of an angle that is coterminal with a 300° angle?

80% of the marbles in a bag are red. There are 32 red marbles in the bag. What is the total number of marbles in the bag?

A number tripled and tripled again is 702. What is the number?

Of the water lilies in the pond, 43% are yellow. The others are white. A frog randomly jumps onto a lily. What is the complement of the frog landing on a yellow lily and its probability?

Find the values of f (x) = x2 + 4 for the domain values of {-2,5}

A square of area 36 cm2 is cut out to make two rectangles, A and B The area of area A to area B is 2 : 1 work out the dimensions of rectangles A and B

On a coordinate grid what is the distance from g 2,8 to h 2,5

Michael is purchasing a $142,000 home with a 30-year mortgage. He will put down $17,000 down payment. Use the table below to find his monthly PMI payment

20 is what percent of 50