Suppose A and B are 3 x 5 matrices. Which of the following are the dimensions of the matrix A + B?

a. 3 x 5

b. 8x8

C. 15 x 15

d. 81

What is the axis of symmetry of the following function? f (x) = - (1/2) x^2+7 Question 3 options: x=0 x=-12 x=7 x=-7

T (x) = 7x; t (x) = 49 Find the value of x so that the function has the given value.

Brianna's teacher asks her which of these three expressions are equivalent to each other. Expression A: 9 x - 3 x - 4 Expression B: 12 x - 4 Expression C: 5 x + x - 4 Brianna says that all three expressions are equivalent because the value of each

Find two more patterns in Pascals Triangle and write them in complete sentences

92.3 - (3.2 divided by 0.4) times 8

If the mean of the following distribution is 91 and sum of frequencies is 150 find x and y

Find the value of the spring constant for the spring in trial i. use 0.367 s for the value of the period. the mass of the suspended block is 0.400 kg. enter your answer in n/m with three significant figures.

5 + 3x = - 1 + 6 (6x + 1)

If you see a triangle that has a small box in one angle, what type of triangle is it?

There are t teams in a soccer league. each team consists of 11 players. write an equation to find how many players p are in the league