Matrix l is a 1 ⨯ 5 matrix, matrix m is a 5 ⨯ 5 matrix, matrix n is a 1 ⨯ 1 matrix, and matrix p is a 5 ⨯ 1 matrix. find the dimensions of the sums below, if they exist. (if an answer does not exist, enter dne.)

Which answer shows 8.45 times 10 Superscript 4 written in standard form? 0.000845 8,450 84,500 8,450,000

Which of the following square pyramids have a volume of 24 mm. choose all that apply

Find two positive numbers whose difference is 1818 and whose product is 20352035

Question 1: Which method would best solve the following quadratic? x^2+4x+3=0 A=Factoring B=Graphing C=Square root D=Completing the square E=Quadratic formula Why did you choose the method you chose for question 1?

What is the circumference of a circle with radius 10cm

There are an even number of boys and an odd number of girls in lena's Class. how many boys and girls could be in her class? show your work.

Compare f (x) = 4 (x+3) ^2-6 to the parent f (x) = * ^2 and then state the vertex.

an indy car driver has to be a certain height to fit into the race car. The following inequality 175<=3x-17<=187, where x represents the height of the driver in inches.

What expressions are equivalent to 2^5*2^x A) 4^5x B) 2^5x C) 32*2^x D) 2^5+x E) (2*x) ^5 F) 2^5-x

Joe sold a total of 10 baked goods. Each cookie cost $1.25 and each brownie cost $2.50. Joe made a total of $20 at the bake sale. How many cookies did he sell?