Solve the system of equations 2r + 2s = 50 and 2r - s = 17: A. R = - 8, s = 33 B. R = 25, s = 33 C. R = 14, s = 11

D. R = 3, s = 11

a. Explain the difference between categorical and quantitative variables. b. Give an example of a categorcal variable. c. Give an example of a quantitative variable.

Find a sample size for which the median will always equal one of the values in the sample

Which of the following is not true? A. A rectangle has rotational symmetry and always has line symmetry B. a parallelogram has rotational symmetry and may have line symmetry C. a triangle has rotational symmetry and always has line symmetry D.

3 ten's in fractions is as a sum of fraction's in 2 different ways

Subtract the quotient of 15:3 from the sum of 33 and 7.

The Fiedler family has up to $130,000 to invest. They decide that they want to have at least $40,000 invested in stable bonds yielding 5.5% and that no more than $60,000 should be invested in more volatile bonds yielding 11%.

Nicola claims that the product of any fraction and 1/6 will always be less than 1/6.

Are the number of units taken by students in a class discrete or continuous data?

A shirt is on sale for 40% off, and you have an additional 20% off coupon. True or false: The shirt will ultimately be 60% off the original price?

A cornflakes box measures 30 cm by 24 cm by 8 cm. calculate the surface area of the box