Determine weather the two expressions are equivalent. If so, tell what property is applied. If not, explain why.

(8+27) + 52 and 8 + (27+52)

Absolute value of - |-2|

Is 95.045 greater than less than or equal two 95.545

What is the scale factor of drawing if the scale is 1 inch=4feet?

Write 9/11 as an expression

2 rectangular prisms. One prism has a length of 6 meters, width of 5 meters, and height of 5 meters. The other prism has a length of 4 meters, width of 5 meters, and height of 7 meters. What is the volume of the figure? 116 m3 190 m3 290 m3 390 m3

How can you distinguish between linear and exponential functions? How do linear and exponential functions compare as the domain increases?

Solve the problem. Sergio's internet provider charges its customers $7 per month plus 3¢ per minute of on-line usage. Sergio received a bill from the provider covering a period and was charged a total of $28.70.

After deductions of $45 were withheld this week from Ed's weekly earnings on his part-time job, his take-home pay was $240. Ed had worked 30 hours this week. How much did Ed earn per hour?

omposite figure is divided into two congruent trapezoids, each with a height of 4 cm. 2 trapezoids. Both trapezoids have base lengths of 10 centimeters and 6 centimeters, and a height of 4 centimeters.

During a day a student spends 7 hours sleeping, ¹/4 of the day studying and of the time travelling. What fraction of the day is left for other things?