how do I prove that the total area of the two shaded lunes (moon shapes) is equal to the area of the triangle.

i think you might need a ruler for that use a ruler or ask a parent or someone older then you

Step-by-step explanation:

first find the length of ac and cb and I'm thinking that one u get that times it by two then idk about the rest

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

5x + 5

step-by-step explanation:

you should always add the diagrams and graphs we cannot see. this particular question is kind of borderline because we can make a graph for you.

(f + g)x = -x^2 +3x + 5 + x^2 + 2x

(f + g)x = 5x + 5

the graph of z = 5x + 5 is shown below. always use desmos when in doubt.