25% of what number is 21

In a fruit cocktail, for every 18 ml of orange juice you need 24 ml of apple juice and 42 ml of coconut milk. What is the ratio of apple juice to coconut milk to orange juice expressed in its simplest form?

Jason places books in his book bag to take home. Each book weighs 2 pounds. Mason has books that weighs 3 pounds each find the weight of 1 2 3 &

What is the exact value of 13pi/8

Round the number below to the thousands place 2,181,465

An angle measuring (468n) ° is in standard position. For which value of n will the terminal side fall along the negative portion of the x-axis? n = 4 n = 5 n = 6 n = 7

Suppose a parabola has a vertex in quadrant IV and a<0 in the equation y=ax^2+bx+c. how many real solutions will the equation ax^2+bx+c=0 have?

A painter is placing a ladder to reach the third story window, which is 35 feet above the ground and makes an angle with the ground of 70°.

Which represents a quadratic function? f (x) = - 8x3 - 16x2 - 4x f (x) = x 2 + 2x - 5 f (x) = + 1 f (x) = 0x2 - 9x + 7 Mark this and return Save and Exit Next Submit

Which is the solution set of the inequality 15 Y - 9 is less than 36

The cost of circular mirrors is directly proportional to the square of the diameter. a circular mirror with a diameter of 60cm costs £50. What is the cost of a circular mirror with a diameter of 90cm?