Carol has only 20p and 10p coins in her purse.

She has three times as many 20p coins as 10p coins.

If Carol has £3.50 altogether, how many 20p coins does she have?

What are the domain and range of the function fx) 3x+5

Factor the polynomial completely. 6ax^-9x

Which value of x will satisfy the inequality x + 7 < 21? A. 13 B. 14 C. 15 D. 16

A sports store sells a total of 70 soccer balls in one month and collects a total of $2,400. Write and solve a system of equations to determine how many of each type of soccer ball were sold.

One reading at an arctic research station showed that the temperature was - 35 c what is this temperature in degrees fahrenheit?

Two more than a certain number is 15 less than twice the number

Mario walks his dog once every 8 days in the park, while todd walks his dog once every 14 days. today, both mario and todd walked their dogs in the park. in how many more days will both boys walk their dogs in the park on the same day?

the sum of three numbers is 81. the second number is twice the first, and the third number is six more than the second. find the number

Your research frm has found that salanies for coffee shop baristas have a normal distrbution with a mean of $16. 164 per year and a standard deviation of $1,459.

The Martins swimming pool is a square and is in the center of a plot that is 36 meters on a side. They have 1152 square meters of lawn. How long is a side of the pool?