In two or more complete sentences, describe how you could model the following sum on a number line. in your answer, make sure to include the result of adding these two numbers together.

-3.5 + 4.2

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

If 3x+8=3x+8 is it one solution or no solution

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?