16
kevin delivers newspapers in his town every morning. the amount he earns from delivering newspapers is given by y=30x+18, where y is the
amount he earns in cents and x is the number of houses he delivers newspapers to. however, he is paid a certain amount even if he doesn't deliver
any newspapers on a certain day. how much is he paid if he doesn't deliver any newspapers? (x 2 0, y = 0)
a.
20 cents
ob.
15 cents
12 cents
d.
18 cents
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its electric no smoke

step-by-step explanation:

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.