Apolynomial expression is shown below (mx+3)(2x+5) the expression is simplified to 8x^2+26x+15 what is the value of m ?

simplify(9x^2+6x+4)-3x^2+2x+6)

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction