On average seven Lego sets are sold in stores around the world every second. How many Lego sets have been sold in the last hour?

Perform the operation (s) and write the answer in simplest form. 5+4 2/7 A.) 9 2/7 B.) 20 2/7 C.) 9 5/7 D.) 1 2/7

The output is eight more than the input

Factor the difference of x^6 - 27

What is the measure of one angle in the regular decagon?

what is the equation that represents the situation of $27 to rent the kayak for 3 hours when the situation is y=

Given the explicit formula for an srithmetic sequence find the first five terms and the 52nd term

Negative three plus x equals eleven

A rectangular room has a length of 20 ft, width of 48 ft, and height of 10 ft. Use the Pythagorean Theorem to find length BC and length AB. Round to the nearest tenth, if necessary.

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 15% tip on the pre-tax amount. What is the total cost of the meal?

Suppose the university bursar said that 600 students entered for Business Mathematics, 300 entered for Statistics while 173 students entered for both Business Mathematics and Statistics. How many students enrolled in the two courses altogether?