Please help 6. Keith spent half of his allowance going to the movies. He washed the family car and earned 9 dollars. What
is his weekly allowance if he ended with 18 dollars?

  $18

Step-by-step explanation:

Before he earned $9, he had $18 -9 = $9. That was half his allowance, so his allowance is 2×$9 = $18.

the answer is b.

step-by-step explanation:

by the trigonometric ratio tangent, tangent equals opposite divided by adjacent.

therefore, tan(50) equals ac/3

multiply each side by 3 to get: ac=3tan(50)

the answer is b.

the graph is negative for all real values of x where   -6 < x < -2.

step-by-step explanation:

this refers to the values of f(x) in the area below the x-axis.