Which of the following is irrational?

A square root of 1

B square root of 1.44

C square root of 2

D square root of 4

Enrollment at a school last year was 1220 this year the student population decreased by 10% how many total students are attending the school this year?

Your cell phone cost $24.99 per month plus $0.18 for each text message you send of receive. You must have at most $29 to spend on your cell phone bill. What is the maximum number of text messages that you can send or receive next month

How many times greater is the value of 6 in 3,620 than in 3,156

Type an equation f (x) = c^2-4x+6

A monster stands at 80 inches tall and casts a shadow that is 148 inches. What is angle of elevation from the end of the shadow to the top of the monsters head.

Tickets to the school play cost $4.00 for adults and $2.00 for students. If 85 people attend the show, and the receipts totaled $268, how many students attended the show?

Without calculating, is the equation (1.8 times 3) times 2.1 = (1.8 times 2.1) true or false? Explain your reasoning.

A building 64 ft high casts a 288-ft shadow. Sarah casts an 18-ft shadow. The triangle formed by the building and its shadow is similar to the triangle formed by Sarah and her shadow. How tall is Sarah? A. 5 ft B. 3 ft C. 6 ft D. 4 ft

Approximately 33,600 citizens of a country died in automobile accidents 2015 Express this tool and deaths per day. (round to the nearest whole number)

the 6:00 a. m. temperatures for four consecutive days in the town of Lincoln were - 12.1 C, - 7.8 C, - 14.3 C and - 7.2 C what was the average 6:00 a. m. temperatures for the four days