In a coin jar, there are 45 nickels. the number of pennies and nickels together equal the number of dimes. there are 2 quarters for every 3 nickels and 2 dimes for every quarter.

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

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

What is the value of x? enter your answer in the box.