The internal and external diameters of a spherical shell are 12cm and 18cm calculate the volume

LeeAnn wants to organize her data from researching the effect of hours of sunlight on plant growth to see if there is a trend in the data.

Lucinda wants to make $6.00 on every arrangement of flowers she sells. If it costs her $10.00 to prepare an arrangement, by what percentage will she mark up the price? a. 60% b. 70% c. 59% d. 167%

Clabber company has bonds outstanding with a par value of $100,000 and a carrying value of $97,300. if the company calls these bonds at a price of $95,000, the gain or loss on retirement is

5x + y2 What is the value of the expression above when x = 3 and y = 2? You must show all work and calculations to receive full credit.

The trigonometric ratios sine and secant are reciprocals of each other true or false?

What is the value of x in the following equation? X/29=0.04

After selling some lemonade and cookies, Vivian and her brother Gil had 7-one dollar bills, 8 quarters and 6 dimes. They agreed to divide the money equally. What is the total amount of money that Vivian and Gil earned? Explain.

A rectangle has an area of 40cm. the dimensions of the rectangle are multiplied to form a new rectangle with an area of 160cm. by what number were the dimensions multiplied?

Evan deposits $500 in a savings account that earns interest. Let f (t) = 500 and g (t) = 1.05t, where t represents the time, in years, since the account was opened.

Class 10R sat a test The mean marks for the calls was 70% There are 30 students 29 of them are boys. The mean mark for the boys in the test was 62%. Work out the mean mark for the girls