Algebra
3x + 5 =20
What is 5?
The sum of the interior angles of a triangle.
What is 180o?
Find the probability of rolling a 3 on a fair 6-sided die.
What is 1/6?
Find the next number in this sequence: 2, 4, 6, 8, ...
What is 10?
3 + 4 ÷ 2
What is 5?
Factor: x2 + 5x + 6
What is (x+2)(x+3)?
Find the area of a circle with a radius of 4.
What is ~50.27?
Find the probability of flipping heads on a fair coin twice in a row.
What is 25% or 1/4?
Find the next number in this sequence: 3, 9, 27, ...
What is 81?
(6 + 2)2 - 4
What is 60?
Find the slope of a line passing through (2,3) and (4,11)
What is 4?
What is ~282.74?
Find the probability of picking a blue marble from a bag that has 3 red, 2 blue, and 5 green ones.
What is 20% or 2/10 or 1/5?
Find the next number in this sequence: 100, 121, 144, ...
What is 169?
12 ÷ (3+1) x 2
What is 6?
Factor: 2x2 - 8x + 6
What is 2(x+3)(x+1)?
Right angle A is split unevenly into two new angles: B and C. Angle B equals 23o. Find angle C.
What is 67o?
Find the probability of drawing two aces from a deck of cards without replacement.
What is 1/221 or ~0.45%?
Find the 5th term in this sequence: n(n - 1) + 4
What is 24?
5 + [3 x (22 - 1)]
What is 14?
Find a2 + b2 if a + b = 7 and ab = 10
What is 29?
Find the hypotenuse length of a right triangle that has side lengths 5 and 12.
What is 13?
Pen (short for Penelope) has 10 toy cars; 7 are red, 2 are purple, and 1 is yellow. She gives one red car to her older sister Jen (short for Jenelope) who is 21 and goes to Harvard. Then she gives one yellow one to her older brother Wren (short for Wrenelope) who is 20 and goes to Yale. The two older siblings have a good relationship despite going to rival schools, and they swap toy cars. Jen finally gives a third randomly colored car to her friend Ben (short for Benjamin, what else would it be short for?). Find the probability of Ben's toy car being yellow.
What is 0% (short for zero percent)?
Find the expression that can be used to show this sequence: 5, 9, 13, 17.
What is 4n + 1?
-(8/5+3)[1+2(7-2+5-9)(5)][(6^3)(9-3^2)]
What is 0?