Find the percent value of $7000 to be received one year from now assuming a 3 percent annual discount interest

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Bring the fraction a/a-4 to a denominator of 16-a^2

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out