Suppose a and b are 3*5 matrices. Which of the following are the dimensions of the matrix a+b? A. 3*5 b. 8*8 c. 15*15 d. 8*1

Find the nonpermissible replacement for binthis expression.b2/5b +5

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.

(a.s."similarity in right triangles"solve for xa.) 10b.) 20c.) 14.5d.) [tex] 6\sqrt{3} [/tex]