For meg's long-distance calling plan, mostly cost c in dollars is given by the linear function c (t)= 6 + 0.05t, where t is the number of minutes talked. a) what is the total cost of talking 8 hours? of talking 20 hours? b) what is the effective cost per minute (the total cost divided by the number of minutes talked) of talking 8 hours? of talking 20 hours?

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square