The center of a circle is at (-3, 1) and its radius is 9.

What is the equation of the circle?

(x-3) 2 + (y+1) 2=81

(x+3) 2 + (y-1) 2=18

(x+3) 2 + (y-1) 2=81

(x-3) 2 + (y+1) 2=18

Ellie made a scale drawing of the school assembly hall using a scale of 1 cm to 3 ft. However, she found the drawing was too small to work with - it was only 20 cm long and 18 cm wide. If Ellie changes the scale to 1 cm to 2 ft.

What is the formula to find the hight of a triangle?

Doug and Ken are meeting for lunch at Rodrigo's Mexican Restaurant. Doug's work place is 5 miles from the restaurant and Ken's work place is 7 miles from the restaurant.

A pair of sunglasses is priced at $42.95. They are put on sale at 27% off the original price. Shane estimates the discounted price of the sunglasses to be around $36. Is this a reasonable estimate?

Order the decimals 0.42, - 1/2, 11/20, - 0.51

24 is 14% of what number?

If a tourist walked all 3 trails in a day, how many kilometers would he have walked?

Work out a volume of a prism 4m x 4m x 7m

The function p (x) = x (x - 5) (x-2) (x+3) has four zeros. What is the smallest zero?

Find the irregular shape. show you're solution