Valentina invested 6500 in a savings account with a yearly interest rate of 4% for 7 years. How much simple interest did she earn?

a customer buys a table on hire purchase. he makes a deposit of $306 and pays six monthly installments of $60 each. the total cost to the customer is

Calculate the average rate of change for the graphed sequence from n = 1 to n = 3.

Are 2x + (3x+4y) and (2x+3x) + 4y equivalent

Let a=x^2+4. rewrite the following equation I terms of a and set it to equal zero

A string of decorative lights is 25 feet long. The first light on the string is 16 inches from the plug. The lights on the string are spaced 4 inches apart. How many lights are there on the string?

How do you write - 0.6 as a fraction in simplest form

The sum of two numbers is 3. Their difference is - 5. What are the two numbers?

Which are the partial product of 68 * 43

Water flows through a pipe of diameter 4cms with a velocity of 0.5m/s into a tank with a diameter of 1.5m. What will be the height of water in the tank after 1 hour?

Does the equation below represent a relation, a function, both a relation and a function, or neither a relation nor a function? neither a relation nor a function Y=x^2-9x