Solving systems by substitution:

-3x + 2y = 24

x + y = - 3

7/10-1/2 find the sums or difference

A triangle has two sides that measure 4 ft and 3 ft. which could be the measure of the third side? a. 5 ft b. 7 ft c. 10 ft d. 12 ft

What is 2.8 in expanded form

Frank has a compass but no straightedge. Which of the following can Frank construct with just the compass? A. a triangle B. a square C. a hexagon D. a circle

8) The sum of two numbers is 3. Their diffrence is 13. What are the two numbers? A (8,5) B (8,-5) C (1,2) D (20,7)

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