What volume of water can the aquarium hold? 111 cm^3 1233 cm^3 23,100 cm^3 46,200 cm^3​

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .

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

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?