If 4x + 7 = 11, what is 3(x - 2)?
-3
Two angles of a triangle are 35° and 65°. What is the third angle?
80°
What is the remainder when 43 is divided by 5?
3
Algebra: A two-digit number has digits that add to 11. Reversing its digits makes the number 27 larger. What is the original number?
47
Three consecutive integers add up to 48. What is the largest integer?
17
A square has diagonal length 8√2. What is its area?
64
How many positive factors does 24 have?
8
Five people line up for a photo. Alex must be first. How many arrangements are there?
24
Number theory: How many positive divisors of 360 are perfect squares?
4
A price rises by 20%, then falls by 20%. What percent of the original price remains?
96%
12
Find LCM(9, 15) × GCD(9, 15).
135
Five people line up for a photo. Alex must stand next to Beth. How many arrangements are there?
48
Geometry: Each interior angle of a regular polygon measures 150°. How many sides does it have?
12
If 2x + 3y = 17 and 3x + 2y = 18, what is x + y?
7
In the diagram below, a diameter of each of the two smaller circles is a radius of the larger circle. If the total area of the shaded area is 1, find the total area of the non-shaded area.
1
Find the units digit of 2026^2026.
10/19
Combinatorics: How many ways can Amy the Ant move from point A (0, 0) to point B (6, 4) in the shortest path without getting eaten by Albert the Anteater living on (3, 3)?
130
If x ≠ 0 and x + 1/x = 3, what is x3 + 1 / x^3?
18
Rectangle ABCD and right triangle DCE have the same area. They are joined to form a trapezoid, as shown. What is DE?
13
Two coins, one fair coin and one unfair coin with 2/3 probability of landing on head are rolled. What is the probability that one lands on heads, and the other on tails?
1/2
Geometry: What is the largest area of a circle that can be inscribed in a right triangle with side lengths 7, 24, and 25?
9π