A plumber charges $50 for every house call and an additional $70 for each hour or work. For one house
call yesterday, the plumber earned $435.
Witch equation can be solved to find the number of hours the plumber worked on the house call?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches

Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]