Combine like terms in the following expressions.

A. 10x-4x

B.-15n+3n

C. 7.5y+1.6y-2

D. m+4-2m

Is it unusual to get 5 when a pair of dice is rolled?

A 7 by 10 inch mirror was put in a frame and hung on the wall. The mirror and frame together cover an area of 130 inches squared. How wide is the frame?

Use the fundamental identities to simplify the expression. 3tan (-x) cosx

What is the mode of these numbers? A 40. B 43. C 26 and 31. D. 31 and 43

The difference of 3 times a number and 15 is no less than the square of the number. Select the inequality that represents this relationship. A. 3r - 15 > x2 B. 3x < x2 + 15 C. 3x + 15 > 12 D. 3. x < x2 - 15

Would you rather Run at 100 mph or fly at ten mph?

Solve the differential equation by variation of parameters, subject to the initial conditions y (0) = 1, y' (0) = 0. 9y'' - y = xex/3

Joey rolls a regular number cube. What's the chance he rolls an even number? Record your answer as a simplified fraction using "/" as your fraction key.

You are playing a game and it is your turn to spin the spinner shown. There are four possible results: blue, green, yellow, or purple. What is the probability that you land on purple?

seventy percent of the 100 students in a middle school cafeteria bought their lunch. Some of the students that bought their lunch leave the cafeteria to attend an assembly. Now only 60% of the remaining students bought their lunch.