Solve the equation by simplifying both sides and isolating the variable.

22.) 2x+3x=5

23.) 10x-3x=20+1

24.) 2 (x-4) = 2

25.) 1/3 (x+6) = 1

26.) 4=2/3x+9+1/3x

27.) 14=-2 (4x+5)

28.) 17=2 (2x+9)

29.) 5x-8x=18

30.) 2 (x+5) + 3x=0

What is LCM? Find the LCM of 20 and 30.

Refer to the definition of simple random sample available below and its accompanying definition of random sample enclosed within parentheses. Determine whether each of the following is a simple random sample and a random sample. a.

Which of the following is a good way to quickly determine whether 3⁄12 and ¼ are equal? A. Inverse multiplication B. Reciprocal multiplication C. Cross multiplication D. Equal multiplication

I bought a bag of mulch for $1.79 the mulch is normally $2.49 what is the percent of the discount?

Which of the following r-values represents the strongest correlation? A. 0.29 B. 0.50 C. 0.92 D. 0.74

The product of j and 160, decreased by 289 is the same as n

Why do we use cubes instead of squares to measure the volume of a rectangular prism?

The equation y=0.5x represents the distance henry hikes in miles per hour. The graph represents the rate of that Clark hikes. Determine which hiker is faster. Explain.

A) Calculate an estimate for the mean height of the students. 129.3 cm b) Explain why your answer to part (a) is an estimate.

Keisha says that 36 is a factor of18. Robert says 36 is a multiple of18. Who is correct?