Which expresión has the same value as -3+(-5)

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

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

Will mark brainliest, , and rate to the best ! wait for pics