How many seconds are in 2.5 hours

How much pure acid should be added to 36L of a 15% acid solutuion to make a 40% acid solution

What's the equation for twice the difference of a number and 6 is equal to three times the sum of the number and 3

Algebra 2 word problem: Urgent! Allergy Surfer #1 must take one capsule every 6 hours. Allergy a surfer #2 must take one capsule every 12 hours. Together, how many hours will it take them to consume 45 capsules?

You want to buy some noodles. A 7-ounce package costs 2.59$. A 12-ounce package costs 4.68$. A 22-ounce package costs 7.92$. Which package is the best by?

Choose the correct correspondence. Line B A) R B) S C) T

Find the discriminant. u2-2u-5=0

How many corners does a cube have? how many faces does a cube have? how many other cubes would share a given corner atom or face atom if several cubes were stacked side-to-side, front-to-back, and top-to-bottom?

What is the difference between - 4x - 6 and 2x + 4? Show work.

Solve the quadratic equation by factoring. check your solutions in the original equation. (enter your answers as a comma-separated list.) 2x2 = 19x + 33

A culture started with 3000 bacteria. After 4 hours, it grew to 3,600 bacteria. Predict how many bacteria will be present after 10 hours. Round your answer to the nearest whole number.