There are 72 new houses being built in a neighborhood. Last month, 13 of them were sold. This month, 23 of the remaining houses were sold. How many houses are left to be sold?

For every 16 litres of petrol a car can run for 80 km. How much petrol do you need to ensure the car has enough petrol of a trip that is 210 km?

X = 9 and 2m + 11-x=0 What is the value of m?

Which of the following equations would result in destructive interference with the wave y = - 2sin (2pi/3 x) ? A.) y = - 2sin (2pi/3 x) B.) y=2sin (2pi/3 x) C.) y = - 2sin 3pi/2 x) D.) y=2sin (3pi/2 x)

The identifying letter at the top of a column is called the

Your friend earns $10.50 per hour. This is 125% of her hourly wage last year. How much did your friend earn per hour last year?

Use the net to find the surface area of the square pyramid. A) 385 ft2 B) 473 ft2 C) 526 ft2 D) 568 ft2

Matrix L is a 1 ⨯ 8 matrix, matrix M is a 8 ⨯ 8 matrix, matrix N is a 1 ⨯ 1 matrix, and matrix P is a 8 ⨯ 1 matrix. Find the dimensions of the sums below, if they exist. (If an answer does not exist, enter DNE.

Simplify the expression. 4 + 18 : 2 - 1 20 22 12 10

What are the next 2 numbers in this geometric sequence -512, - 128, - 32

If there were 60 students and 7/10 of them chose ice cream and 3/10 chose candy how mini more shows ice cream and candy?