An overseas phone call is charged at one rate (a fixed amount) for the first minute and at a
different rate for each additional minute. if a 7 minute phone call costs $10 and a 4 minute
phone call costs $6.40, find each rate.

step-by-step explanation:

mean or average is 40.6

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

answer: a) 56% women

b)44% men

step-by-step explanation:

1.) 21

2.) 0.453

3.) 1.5

4.) 48

5.) $ 22

step-by-step explanation: