Amy pays $2.70 for 3 apples and 2 bananas. One apple costs $0.40 more than one banana. Let a represent the price per apples.

Derivative using chain rule of cosx/1+sinx

Why are all irrational numbers real numbers.

A recipe calls for 400 grams of flour. if leena makes one quarter of the recipe, how many kilograms of flour will she need?

The seattle space needle is 604 to 48 ratio

What place is 4 in the number 80,547.645

You roll a six sided die and pull a card from a standard deck of 52 cards what is the probability that you roll a five and draw a heart

Dimitri earns $4.50 for each box of fruit picked a) how much does he make for picking 20 boxes? b) how much boxes must he pick to earn at least $150? c) if he takes 4 hours to pick 12 boxes what is his hourly rate of pay?

Amanda increased the amount of protein she eats every day from 48 to 54 g. By what percentage did Amanda increase the amount of protein she eats.

Mr. Sanchez's class sold fruit pies for $1.55 each and Mr. Kelly's class sold bottles of fruit juice for $1.40 each. Together, the classes sold 60 items and earned $88.20 for their school. Write and solve a system of equations that model the problem.

Outside temperatures over the course of a day can be modeled as a sinusoidal function. Suppose the high temperature of105°Foccurs at 5PM and the average temperature for the day is85°F. Find the temperature, to the nearest degree, at 9AM.