Luis has 40 noah 45 nickels , 33 dimes, 10 quarters and 18 fifty-cent coins . how much money does he have

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?