Are these expressions equivalent? Explain why or why not. 42 + 35 7 (6 + 5)

Juan buys a pen for $1.75. what change he should receive if he gives the clerk $5.00?

Bean plants grow rapidly. A bean plant is 16 inches tall. Tomorrow it will be 24 inches tall, the next day it will be 32 inches tall, and on the next day it will be 40 inches tall.

Look at triangle STU: A right triangle STU is shown with the right angle at T. The length of side ST is labeled as 42 cm, and the length of side TU is labeled as 56 cm. What is the length (in centimeters) of side SU of the triangle?

What are factors of 56 that add up to 30?

Using the following table, what is the term that best describes the entry of 0.31? Playing sports Dancing Row totals Male students 0.25 0.27 0.52 Female students 0.17 0.31 0.48 Column totals 0.42 0.58 1 a. Joint frequency b.

Solve the equation for x. 2 3 x - 1 9 x + 5 = 20 x =

To which real number subset do the following real numbers belong? A. rational numbers B. integers C. irrational numbers D. natural numbers

50 cents plus how many nickels equal 1.85

The real number 8.09 belongs to which set of number A. natural numbers B. irrational numbers C. integers

8. 72 is what percent of 45?