Use row reduction to find the inverse of the given matrix if it exists, and check your answer by multiplication. (If the inverse doesn't exist, enter DNE in any cell of the matrix.) 0 1 1 1

Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b