Rosa's best time in a race is two seconds faster than her second-best time. her second-best time is 1 1/4 times her best time. what is her best time? a) 12 seconds b) 10 seconds c) 16 seconds d) 8 seconds

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10