What is the value of the expression 1 - r - a when r = 20 and a = 6?

a. - 27

b. - 25

c. - 15

d. - 13

the perimeter of a rectangle is 42inches if the width of the rectangle is 6 inches what is the length

What is the hundreth place in decmials

Two groups of hikers began walking from the same place, traveling in different directions. In one day, the first group traveled 16 miles north. On the same day, the second group traveled 12 miles east.

10) Can a triangle have two 90° angles?

The rectangle below was enlarged using a scale factor. A rectangle with width 1.6 centimeters is enlarged to a rectangle with length 25 centimeters and width 8 centimeters. What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm

Suppose you take an 80 question mc test with 5 choices if 60% is passing, what are your chances of passing

What is the 14th term of the arithmetic sequence with a first term of 7 and a common difference of 10?

Mrs Naidu bought $155 in groceries. she paid her bill with $5 and $20 notes using a total of 13 notes. calculate how many of each type of each type of note were used.

At the mall Greg purchased three CDs which cost $10.68 each if Greg has $79 in his wallet before the purchase how much money is left in his wallet

Order them from greatest to least. 1 lb = 16 oz 1 oz ≈ 28.3 g 800 g, 1.6 lb, 30 oz