Equations/Inequalities
-6 < 2x + 12
x > -9 or -9 < x
What is 15% of 90?
13.5
If you need 3/4 cup of flour for 12 cupcakes, how many cups of flour would you need for 72 cupcakes?
4.5 cups
2 angles that lie across from each other and are congruent
vertical angles
Find the probability that a spinner with numbers 1-5 lands on a number greater than 2 when spun.
3/5
(2/11)x + 3 = 11
x = 44
A shirt is on sale for 45% off. It originally costs $29. What is the sale price of the shirt?
$15.95
If the distance from here to the airport is 17 miles in real life, but only 2 cm away on the map, how far would a distance be in real life if the map shows a distance of 9 cm?
76. 5 miles
If m<k= 89 degrees and it is supplementary to <l, what is the m<l?
91 degrees
A circle has a diameter of 82 ft, what is the perimeter?
257.6 ft
(2/3)x + 4 = 12
x = 12
A necklace is marked up 115%. If the necklace costs the store $380, what is the selling price?
$817
If 18 cans of soda cost $8.75, how much is it per can?
49 cents
angles that are in the same spot, but on different parallel lines (they are also = in measurement)
corresponding angles
2 lines that never intersect and lie on different planes
skew lines
x/ 5 + 10 = -15
x = -5
What is 87% of 90?
78.3
If Sara can run 15 miles in 43 minutes, how long would it take her to run 23 miles?
about 66 minutes
If <a and <b are alternate interior angles and the m<a=72 degrees, what is the m<b?
72 degrees
a quadrilateral with one pair of parallel sides
trapezoid
4x + 9 > -3
x > - 3
68% of students wore red today. What fraction of students wore red?
17/25
If you pick a juice at random, what is the probability of picking orange juice if there are 4 apple juices, 3 cranberry juices and 5 orange juices? Write your answer as a percent.
42%
complementary
What is the perimeter of a regular pentagon with one side 2.5 meters?
12.5 meters