Alan is 78 years older than Vivian. In 13 years Alan will be 3 times Vivian age. How old is each now?

There is 1 skin cell. each day the cell splits in 2. after several days there are 64 cells. how many days have passed?

Cuba is famous of which crop

A student solved the given equation and justified every step expect one. what is the missing reasons?

Susan is drawing a triangle. The first segment she draws is 6 centimeters in length, and the second segment is 8 centimeters long. The measure of the angle between those two segments is 80°.

What is the same as 7 - (3+4)

Iᔕ 7/15 ᒪEᔕᔕ Tᕼᗩᑎ 1/2

Find the range of f (x) = - x^2 - 8x - 4. (Enter your answer using interval notation.)

The top surface of a desk has a length of 5.6 ft and the length is 4 times its width what is the width of the desk

The volume of a fish tank is 20 cubic feet. If the density is 0.2 (fish over feet cubed), how many fish are in the tank? 2 4 50 100

You use 43 muscles to frown. When you smile, you use 32% of these same muscles. About how many do you use when you use