1. a street lamp casts a shadow 31.5 feet 2. a 5.5-foot woman casts a shadow that is long, while an 8-foot tall street sign casts 3 feet longer than her son’s shadow. the a shadow 14 feet long. son casts a shadow 13.5 feet long.

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39