Which of these equations is true only when x = −1 a) 4 + 4x = 5(x + 1) − x b) 1 3 (6 − 9x) = 6x + 11 c) − 1 2 (2 + 6x) = 3(3 − x) − 10 d) 3(2x + 2) − 10 = 4(3 − 2x) − 2x

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle

50 points and will mark brainlest if you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking:

Acredit union pays 5% annual interest, compounded daily, on saving deposits. find the value after one year of $500 deposited in this account. a-$20.40 b-$25.64 c-$520.40 d-$525.64