Which expressions are equivalent to -4(3d-2)-7−4(3d−2)−7minus, 4, left parenthesis, 3, d, minus, 2, right parenthesis, minus, 7 ? Choose all answers that apply: Choose all answers that apply: (Choice A) A -12d-15−12d−15minus, 12, d, minus, 15 (Choice B) B 12d-1512d−1512, d, minus, 15 (Choice C) C None of the above

(x-5)1/2+5=2 what is possible solution of this equation

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations