1-cosA+cosB-cos (A+B) / 1+cosA-cosB-cos (A+B) = tanA/2cotB/2

A high school is conducting a vote to see which class (freshman, sophomore, junior, or senior) can go to see a play performance. The freshmen have 399 students, the sophomores 350 students, the juniors 275 students, and the seniors 325 students.

A teacher split 21 students into 3 reading groups. the same number of students was in each group. if each student in the first group read aloud for 6 minutes, how many total minutes did the students read aloud?

The temperature measured in Kelvin (K) is the temperature measured in Celsius (C) increased by 273.15. This can be modeled by the equation K = C + 273.15. When solved for C, the equation is C = K - 273.15 C = 273.15 - K C = K + 273.15 C = 273.15K

Rewrite x-5y=-15 using function notation.

A car dealer organizes the inventory of a specific model of car into a frequency table comparing the type of car and the model year. The dealer used the data from the frequency table to create this conditional relative frequency table by column.

What is the lowest common multiple of 24 and 40

What is bigger 5 feet or 60 inches

What is the mean absolute deviation of 26 43 48 29 16 30

Grace and Jamal each bought notebooks for school. Grace bought 2 notebooks for $2.80 while Jamal bought 4 notebooks for $4.40. What was the unit price of each student's notebooks? A. Grace: $1.40; Jamal: $1.10 B. Grace: $2.80; Jamal: $4.40 C.

Convert 24 centimeters to inches. Use the rate or conversation factor 1inch/2.54 cm