An international calling plan charges 45 cents per minute or fraction of a minute for each call. Which graph models the cost, y, in

cents of making x minutes of international calls?

Write an equation to represent the following description. thirteen more than six times a number is - 1

The ratio of boys to girls in a group is 3:1. If there are 52 more boys than girls, work out how many people there are in total.

How many grams of 0.5% hydrocortisone cream must be mixed with 180 g of 2.5 % cream to make a 1 % w/w hydrocortisone cream? HINT: Use alligation method.

The price of mailing small packages is $0.32 for the first ounce and $0.21 for each additional ounce. Sandra paid $1.16 to mail her package. How much did it weight

front me a random card is drawn from a full deck of cards what is the probability that a card drawn is a king in a deck has 52 cards for suits in each to has an ace two three four five six seven eight nine ten Jack winking

Eight times the sum of a number and six

What is the period of y=sin (3x)

Factor completely. Special Cases. 4n2 + 28n + 49

Two integers a and b have different signs. The absolute value of integer a is divisible by the absolute value of integer b. Find two integers that fit this description.

Solve 5 (x + 1) = 5 (x + 5) - 15.