You are trying to hack into your friend’s phone. The password is four digits long and each number can be a digit from 0 to 9. If the numbers can repeat, how many possible combinations are there?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Someone answer asap for ! the boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a. e = 2b - 212 b. b = 2e - 212 c. e = -2b + 212 d. b = -2e + 212

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]