Prove that the two circles x2 + y2 + 2ax + c = 0 and x2 + y2 + 2by + C2 = 0 touch if 5) 1 a +62-22 c2 f the tonents drawn frono

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

The deepest part of the swimming pool is 12 feet deep. the shallowest part of the pool is 3 feet deep. what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?