If a car uses 1/3 of a tank of petrol on the first part of the journey then 2/5 of a tank of petrol on the second part on the journey and has 8 litres how many litres of petrol did it have before the journey

Some birds were flying and met a bird on their way. The bird greeted them; hello hundred! They said we are not hundred, we need half of us plus you to make us hundred. Question: How many birds were flying?

Tina brought some nail polish and lip gloss at the store. The nail polish costs $4.50 per bottle and lip gloss costs $7 per tube. tina brought 9 items and spent $50.50. how many of each item did she buy

Tom is using logarithms to solve the equation 3^2x = 32. Which of the following equations would be equivalent to his original expression? 2x log 3 = log 32 3 log 2x = 32 2 log 3 = x log 32 x log 3 = 2 log 32

If a polygon has 189 diagonals how many sides does the polygon have?

Listed below are the numbers of manatee deaths caused each year by collisions with watercraft. The data are listed in order for each year of the past decade. (a) Find the range, variance, and standard deviation of the data set.

Decide whether the number is a solution of the equation Is 5 a solution of 4f=25-f

Simplify the expression. 5 ^ 0 A. 0 b. 0.5 c. 1 d. 50

During your first week of training for a marathon, you run 10 total miles. You increase the distance you run by 20% each week. How many miles do you run during your 12th week of training?

20 ounces to 25 ounces find the percent of change

How to find out how much you pay if there was a sale tax?