Your friend adds (2.5*10^9) and (5.3*10^8). Is your friend correct?

If the distance on a map is 2cm and it represents 50 meters what is the Scale Factor?

Change the decimal to a fraction and reduce. 62

What is the value of 6^3 x 2 3

Use all 2,4,6,8 and any operation and brackets to find two different equations that equal 24

If A and B are mutually exclusive then: (A) P (A/B) = 0 (B) P (A/B) = P (B) (C) P (A or B) = 0 (D) P (A/B) = P (A) (E) none of the above

Simplify the following expression - 7x+5 (1-8x)

Do the ratios 19 / 20 and 6 / 15 form a proportion?

Three burgers and two orders of French fries cost $24. Five burgers and one order of french fries cost $33. What is the cost of one burger? What is the cost of one order of French fries?

Lorea is designing the top of a quilt which measures 2,160 square inches. Triangles will cover 432 square inches of the quilt, and squares will cover 180 square inches.

In a psychology class, 55 students have a mean score of 97.6 on a test. then 18 more students take the test and their mean score is 70. what is the mean score of all of these students together? round to one decimal place.