joan got 248 marks out of 400 in a sience examination. Express her marks as a percentage of her total.

The length of a vegetable garden is 4 feet longer than its width. If the area of the garden is 140 square feet, find its dimensions.

A large company wants to admiister a satisfaction survey to its current customers. using their customer database the company radoml selects 60 customers and asks them about their elvel of satifcation with the company. What type of sampling is used?

What is the graph of the given system of equations? 2x+y=-3 - x + y= -1

A bag cost 10.50 but you get 20 percent off how much is the bag now?

The area of greenland is 840,000 square miles. what is this number in scientific notation?

In one area, the cable company marked up the monthly cost by 6%. The new cost is $63.60 per month. What was the cost before the increase?

Represent the geometric series using the explicit formula. 2, - 8, 32, - 128, ...

What percent of a circle is 1/2 of a circle plus 1/4 of a circle

Olga deposited $1,500 in a savings account that pays 7.5% interest, compounded quarterly. What is the balance in her account at the beginning of the fourth quarter? a. $1,590 b. $1,560 c. $1,585.97 d. $1,591.81

If the intercept made on the line y=mx by the lines x=2 and x=5 is less than 5, then the range of m is