Which expression is equivalent to 2.2 - 2.5? a. 2.5 - 2.2 b. 2.2 + 2.5 c. 2.2 + (2.5) d. 2.2 - (2.5)

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

Me d is also an option but i couldn't get it in the picture

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?