Use a half-angle identity to find the exact value of tan 157.5°.

30 cm 30 cm 26 cm find the area

3 chairs and a table cost 149 4 chairs and a table cost 177 how much does each item cost?

Brian irons 2/9 of a shirt in 3 3/5 minutes. How long will it take him to iron one shirt? At this rate, how long will it take to iron 5 shirts?

Find the second degree Taylor polynomial for f (x) = sqrt (x^2+8) at the number x=1

A teacher took a survey and found that 16 out of 25 students liked a certain snack item best make a prediction of how many students like to snack item best if there are 225 students a) 116 students b) 124 students c) 132 students d) 144 students

The graph represents a distribution of data. A graph shows the horizontal axis numbered 35 to x. The vertical axis is unnumbered. The graph shows an upward trend from 35 to 50 then a downward trend from 50 to 65. What is the mean of the data

Jacki works on her homework for 45/60 of an hour. Write this fraction in simplest form. A. 2/3, B. 3/4, C. 9/12, D. 1/4.

Find the missing height. The height of a street light is 54 feet. It casts a 40-foot shadow. At the same time, a man standing next to the street light casts a 5-foot shadow. How tall is the man? If needed, round the answer to the nearest hundredth.

Rearrange the equation so x is the independent variable. y + 6 = 5 (x-4) y =

Which of the following groups of scores has the least amount of variability? a) 100, 56, 101, 101, 68 b) 10, 8, 7,7, 10 c) 4, 7, 9,2,1,9 d) it is impossible to determine based on the scores provided