What is the range for this set of data? 7, 15, 12
A. 3
B. 5
C. 8
D. 12

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters .

(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?