Which inequality represents an acute angle?

A. 0 B. 90 C. 180 D. 270

What is 6 times 6 times 2 equal?

One full glass contains vinegar and water in the ratio of 1:3. Another full goass of twice the capacity of the first vinegar and water in the ratio 1:4. If the contents of both glasses were mixed together, what then is the ratio of vinegar to water?

12x3 y 4 + 4x²y - 8x/ 4x2

Use a distributive property to write an expression equivalent to 5 x (3+4)

Find the slope of y=2x+9/2

Neal buys a board game. He pays for the board game and pays $1.54 in sales tax. The sales tax rate is 5.5%. What is the original price of the board game?

Add 3/4 + 3/4 simplify answer

Let f (x) = 8x+8 find and simply f (x+1)

Whitey calved an 87-pound calf on March 8. The calf was sold 245 days later weighing 515 pounds. What was the average weight gained per day to the nearest tenth of a pound? * Your answer

Suppose the number of personal days an employee uses per year has a mean of 8 and a standard deviation of 2. what percent of the data values will be within 2 standard deviations of the mean if the distribution is bell-shaped?