Can someone help me make this into a formula? I know who to find the answer but I don't know what the formula is for this. Represent the relationship between the cost, c , of a call and the time, t , for the cell phone plan shown below.

time in hours : 0 1 2 3
cost in dollars : 10 13 16 19

answer: .75 km

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

the correct answer option is d. la = πrs.

step-by-step explanation:

we know that for a right cone, the lateral surface area is given by:

lateral area of right cone =

here the value under the square root is equal to slant height so replacing this value by in the formula to get:

lateral area of right cone =

therefore, the correct answer option is d.