Ajar contains n nickels and d dimes. there are 21 coins in the jar, and the total value of the coins is $1.55. how many nickels and how many dimes are in the jar?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the plzzz write a proportion i will give you 100 points

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32