Simplify 2[3-5 (2+1) 2+5]

the last 2 is 2nd

A debate team consists of five girls and four boys. (Everyone is distinguishable.) How many ways can they stand in line, so that at least two of the girls are standing next to each other?

Is negative 8/9 a integer

Use order of operation and the mathematical properties of numbers to simplify these numbers (3+2^2) ^2 =

Round 1199.28856995 to the nearest ten,

Ben simplified this expression. 1. 2. Analyze Ben's work. Did he simplify the expression correctly? If not, what was his mistake? Yes, he is correct. No, he needed to add the exponents of powers of the same base in the first step.

Complete the square to re-write the trinomial below in vertex form: x^2+2x+1

What is the volume of a sphere with a radius of 8.8 in, rounded to the nearest tenth of a cubic inch?

One book costs £1.99 how much do four books cost?

To which set of numbers does the number below belong? -14/11 A. integers B. irrational numbers C. natural numbers D. rational numbers

A personality test may be given to assess what? a. Individual behavior patterns b. The capacity to acquire certain skills c. Your ability to solve problems d. Test actual skills, such as using word processing software