Twice the sum of a number and 2 is equal to three times the difference of the number and 7.find the number.

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section