Find the determinant of the n*n matrix a with 's on the diagonal, 's above the diagonal, and 's below the diagonal

Your heart beats 240 times in 4 minutes. How many times does your heart beat each minute?

Create a table of some number pairs that satisfy the equation 3x+y=9

Distributive property of 8x45

The number of calories burned while jogging varies directly with the number of minutes spent jogging. If George burns 150 cal by jogging for 20 minutes, how many calories does he burn by jogging for 30 minutes?

A card is chosen at random from a deck of 52 cards. It is replaced and a second card is chosen. What is the probability both cards will be an Ace? a. 1/169 b. 2/13 c. 1/26 d. 1/13

Is 2 a factor of 72 in division

Verona is solving the equation - 3 + 4x = 9. In order to isolate the variable term using the subtraction property of equality, which number should she subtract from both sides of the equation? - 4 - 3 3 4

What is the index of the following Radical Square root of Q

A display of pens has 8 hooks. Each hook can hold 3 packages of pens and there are 3 pens in each package. If the display is completely full how many pens does it hold

Consider the experiment: flip a coin, then roll a number cube