In the example the problem 0.000000005=5*10^-9. What is the standard form of 10^-9

Ben drinks tea at an incredible rate. He drinks 3 1/2 liters of tea every 2/3 of an hour. Ben drinks tea at a constant rate.

Can I make a right angle by drawing an acute angle and and an obtuse angle that share a common ray?

What's the missing value in the solution to the equation of y+2=-3 (x-4) If y = -2

A colony of ants has 50,000 members. Sam thinks the colony will grow at a rate of 4.5% each hour. About how many ants should he expect there to be in the colony after 10 hours

A machine makes 18 parts each hour. If the machine operates 24 hours a day, how many parts can it make in one day?

A circle gas a diameter of 12 meters what is the circumference of the circle

Each decimals is a percent

The annual salary for a computer technician at Company A ranges from $41,000 to $63,000, with a mean of $58,000. At Company B, the annual salary for the same position ranges from $45,000 to $$65,000, with a mean of $56,000.

Marika and her three friends attend the school play. Tickets cost 5.75 each, and marika paid for everyone. Find the total cost of the tickets

A particular metal alloy a has 20% iron and another alloy b contains 60% iron. how many kilograms of each alloy should be combined to create 80 kg of a 52% iron alloy?