Last year the price of the phone, in dollars, was c. This year the cost of the phone increased by 15%. What is an expression for the price of the phone this year?

1.15c= cell phone cost

Step-by-step explanation:

this is because if last year cost C and this year increase 15%, that can be expressed in .15c as a decimal from.

if we combine the cost of last year C plus .15c that is the percent that increase that result in 1.15c that will give you the new cost

where did you get them? if you picked from the grass, is is probably poisonous.

step-by-step explanation:

d 25 pi/6

step-by-step explanation:

the diameter is 10 inches

the radius is 1/2 of the diameter or 5 inches

the area of the circle is

a = pi r^2

  = pi 5^2

  = 25 pi

the slice is 60 degrees of the entire circle.

60 degrees out of 360   60/360 = 1/6

the area of the slice is 1/6 of the circle

a slice = 1/6 a circle

a slice = 1/6 * 25 pi