In a survey, a group of students were asked to name their favorite elective class. There were 15 students who chose "other." How many students participate Art:30% Physical Education:60% how many students participated?

Y=2x-7what is the slope

3 tenths and 1 hundredth = 2 tenths and _ hundredths

If x and y are linearly independent, and if {x , y , z } is linearly dependent, then z is in Span{x , y }. Choose the correct answer below. True / False.

How many cups are in 5 quarts? As always, make a record of your work before using the calculator. The rate would be 4 cups per quart. The unit rate would be 4.

Matt is showing his work in simplifying (6.2 - 1.6) - 4.4 + 7.8. Identify any error in his work or reasoning. Step 1: (6.2 - 1.6) - 4.4 + 7.8Step 2: 6.2 + ( - 1.6 - 4.4) + 7.8 (commutative property) Step 3: 6.2 - 6 + 7.

If a sequence is defined recursively by f (0) = 2 and f (n + 1) = - 2f (n) + 3 for n ≥ 0, then f (2) is equal to

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18