Write a mathematical expression for: the sum of twice a number n and 20.
a. the fraction n over 2 then plus 20
b. 2n + 20
c. 2n minus 20
d. n + 2 times 20

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo