stan found 12 pennies, 15 nickels, 7 dimes, and 5 quarters. Tell whether the ratio of pennies to quarters or the ratio of nickels to dimes is greatter

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

The half-life of iodine-131 is approximately 8 days. find the amount of iodine-131 left from a 42 gram sample after 16 days. a: 10.5 grams b: 21 grams c: 0.0006 grams d: 34 grams