Aflashlight is projecting a triangle onto a wall, a picture shows a flashlight projecting a triangle onto a wall. the original triangle and its projection are similar. the original triangle has 2 sides labeled 15 and one side labeled 21. the projected triangle has two sides labeled 25 and one side labeled n.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

It says factor each expression 49x-28?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.