Andrei has a glass tank. First, he wants to put in some marbles, each of which has a volume of 0.04liters. Then, he wants to fill the tank with water until it's completely full. If he uses 50 marbles, he will have to add 33 liters of water.

I student claims that 8 to the power of 3 times 8 to the power of - 5 is greater than one, explain whether the student is correct or not

Solve multi step equations 2 (4-d+2d) = 12

Factorise fully 9b-3b²

Mark is converting £225 into $. He knows that £1 = €1.15 and €1 = $1.21. How many $ will Mark get? Give your answer to 2 dp. what is it

the relationship between feet and inches is a function. Write an equation that shows how to find the number of inches (n, output) if you know the number feet (i, input). Then make a function table that shows the number of inches in 1,2,3 and 4 feet.

5/9 rounded to the nearest half?

A new club sent out 231 coupons to boost sales for next year's memberships. They provided 6 times as many to potential members than to existing members. How many coupons did they send to existing members?

What two sums are equal to 3 3/4?

A right triangle has a hypotenuse of 155 centimeters and a leg of 124 centimeters. Which of these is the length of the other leg? 93 centimeters 97 centimeters 103 centimeters 107 centimeters

Is 6 km greater or less than 54,000 mm