What is the factored form of the following expression? x2 - x - 42

How to solve this equation? a-0.15a=85

A recipe for apple cider calls for 5 cups of apple juice and 3 cups of water. Wich equation can be used to find x the percent of apple juice in the recipe?

Are the expressions 4b-7- 2b + 11 and b + 3 + b + 1 equivalent?

In a recent golf match, Becky's score was 5 less than Cathy's score. Their combined scores totaled 185. Let b represent Becky's score and c represent Cathy's score. Which pair of equations can be used to determine their scores? A.

What is the ratio of the longer leg of a 30 60 90 triangle to its hypotenuse?

A piece of hot metal is cooling at a linear rate. Its Temp. After 4 minutes is 310 deg. Its Temp. After 7 minutes is 205 deg. When will the object be 30 deg.?

17u-8u=18 Can u explain how this works

What percent of 140 is 3?

Joy is planning to purchase a sweater that costs $30 dollars at her local department store. The sweaters are on sale for 20% off. Which steps are needed to find the sale price of the sweater? A. Convert the percent to its decimal equivalent.

Positive numbers are located to the left of zero on the number line. True False