How do I solve 321-207=342

Giving Brainliest if Correct! What collateral secures a mortgage? A. 5% of the purchase price of the house B. the house itself C. 10% of the purchase price of the house D. none

The surface area of a sphere is given by the formula SA = 4r2, where r is the radius of the sphere. If the surface area of a sphere is 256 square yards, then what is the radius of the sphere?

Question for class 4

Leigh is paid time-and-a-half hours worked in excess of 40 hours and double-time for hours worked on Sunday. If Leigh had gross weekly wages of $342 for working 50 hours, 4 of which were on Sundays, what is her regular hourly rate?

60,488 rounded to the nearest ten thousand?

Tracei and Aaron collect stamps. Aaron collected 19 fewer than four times the number of Tracei's stamps. Altogether, they collected 926 stamps. How many stamps did Tracei and Aaron collect?

Barry's family drove 843 miles to see his grandparents. On the first day, they drove 483 mi. On the second day, how long did it take to reach his grandparents house if they averaged 60 mi/h

The following equation is used to calculate (g pure material) / (g impure material) x 100 A. % recovery B. theoretical yield C. actual yield D. % yield

What is the angle of elevation of the sun if a 45 foot tall flag pole casts a 22 foot long shadow?

Creat a table of values for the equation y=-x-3