Perimeter of a rectangle with length of 12 and width of 15
What is 54
100
2n+3 < 17
What is n < 7
200
5.66x10^-3
What is .00566
200
The percent increase from 20 to 28.
What is 40%
200
a^5 * a^6 * a^-2
What is a^9
200
Area of a triangle with base of 18 and height of 5
What is 45
200
26-(2*3-1)^2
What is 1
300
31,000 in scientific notation
What is 3.1 x 10^4
300
A stock decreased from $35 a share to $28 a share
What is 20%
300
8c^3 * 3bc^10
What is 24bc^13
300
leg of a right triangle with a leg of 5 and hypotenuse 13.
What is 12
300
Sara can ride a bike 3 miles in 15 minutes. At this rate, how many miles can she ride her bicycle in 50 minutes?
What is 10
400
502,000
What is 5.02x10^5
400
14 increased by 22%
What is 17.08
400
x^10 / x^2
What is x^8
400
Surface area of a prism with length 3, height 9, depth 10
What is 294
400
Stephanie is reading a 456-page book. During the past 7 days she read 168 pages. if she reads at the same rate, how many more days will it take to finish the book?
What is 12
500
.0000923
What is 9.23x10^-5
500
Percent decrease from 15 to 9
What is 40%
500
x^3 * x^5 *(x^3)^9
What is x^35
500
A rectangular field is 363 feet long and 240 feet wide. How many acres is the field (1 acre = 43,560 square feet)
What is 1/2?
500
Lisa typed a 1000-word essay at a rate of 20 words per minute. If she started at 6:20 pm, what time did she finish?