Factorise: 3a^2 + 7a

The factors of 83 our 1 and 83. So does that make it a prime number?

Maria practiced for her piano recital each day for three days. The first day she practiced for 3/4 hour, the second day she practiced for 3/4 hour, the second day she practiced for 1 1/2 hours, and the third day she practiced 2 1/4 hours.

What percent represents 2 whole 1and 2halfe

A die rolled. The set of equally likely outcomes is {1,2,3,4,5,6}. Find the probability of rolling an odd number.

What percent of 800 is 712

A gardener uses a tray of 6 conical pots to plant seeds. each conical pot has a radius of 3 centimeters and a depth of 8 centimeters. about how many cubic centimeters of soil are needed to plant the full tray? round to the nearest cubic centimeter.

The price of 2 bananas are $1.00. How much would 7 bananas cost?

students' scores on an anthropology test have a mean of 31 with a standard deviation of 3.5 if rochelle scores 20 on her test, how many standard deviations away from the mean is her score

A gardener is planting two types of trees: Type A is 8 feet tall and grows at a rate of 6 inches per year. Type B is 10 feet tall and grows at a rate of 4 inches per year.

You have a $500 public relations budget for the current year. You would like to generate publicity by publishing several ads in the local township newspaper about your store's sponsorship of community activities.