What is teh maximum area of a reactangle that is inscribed in an ellipse of equation 81x^2 + 64y^2 = 19

Why was Gutenberg's printing press such an important invention? a Paper had become too expensive. b Explorers were able to navigate more easily. c Books could be printed faster and easier. d Merchants could sell their goods for more money.

Whats 840 divided by two?

Nine eights times three fourths

Marina has $12 morn than Brandon. Represent how much money marina has.

you need to buy 10lb of rice. A 2lb bag costs $1.29. A 10lb bag costs $6.99. You want to buy a 10lb bag. your friend thinks buying a five 2lb bag is a better deal because the unit rate is lower. Is your friend correct?

If one full rotation contains 360 degrees how many are in half rotation and in 3/4 of a rotation

The income distribution in a county is a normal distribution with a mean income of $10,000. The top 2.5% of the wage earners earn $18,000 or more.

Adriana writes the equation y = 2x + 4 to represent a line on a graph. Henry writes an equation that has a y-intercept that is 1 unit lower on the graph but has the same slope as Adriana's line.

A physician orders 0.5oz of magnesia and alumina oral suspension antacid 4 times per day for a client with indigestion. how many milliliters of the antacid is the client to ingest in a day?

walt averages 98 miles per hourin 4 races. if each race is 95 miles in lenght, how many miles did walt drive in the race?