Evaluate 9.1s + 8.5t when s = 7 and t = 8.

Evaluate a to the 2nd power, b to the second power, c to the second power, for a = 2 b=3, c = 4

Carol has only 20p and 10p coins in her purse she has three times as many 20p coins and 10p coins if Carol has £4.20 altogether, how many 20p coins does she have

What is the area of a circle with a radius of 4cm

Draw a model of 20 divided by 5

David has twice as many cousins as Becky. Becky has twice as many cousins as Nishat. Nishat has 6 cousins. How many cousins does David have?

What is the 10th of a quarter of 1600

You want to find the area of the front of a house, whose shape is a triangle on top of a rectangle with a width of 10. The triangle's height is 11 and the rectangle's height is 6. What is the total area of the front of the house?

Write fraction in lowest term 25/40. Also show all steps

Plot the intercept 7x-3y=21

Which of the following is an example of an equation? 2m + 1 x + 7 9 - X + 7 X-8 = 12