If w = 7, what is the value of 21 - 2w?

Which of the following is a statistical question? A. How many goals did the soccer team score last night? B. How many students signed up for free tutoring today? C. How many students sign up each day for free tutoring?

A 5 - ounce can of tuna cost $0.90. A 12 - ounce can of tuna cost $2.40. which is the better buy?

Choose the answer that correctly solves the equation: 64 - [ (9 : 3) + 4 x 7] = ?

What's the range of y=-2cos (3x) + 3?

The area of a trapezium is 35 cm² and the distance between its parallel sides is 16 cm. if one of the parallel is of length 25 cm, find the length of the other.

Find the derivative of tan^-1 3x ... ?

Solve the equation a/6 = - 9

Lines m and n are parallel. Parallel lines m and n are cut by transversals s and t. Clockwise from top left, the angles formed by m and t are blank, blank, (5 x minus 1) degrees, blank; formed by m and s are blank, (9 x + 2) degrees, blank, 1;

The sides of an open lot are measured in feet. Which unit could you use to describe the area of the lot? A feet B cubic feet C square feet D yards

598,500 round to nearest 1000