Exponents & surds
Simplify 23×24
27
180 degrees
In a right triangle, sinθ=opposite over ?
Hypotenuse
Expand (x+5)(x−3)
x2+2x−15
A number is divisible by both 3 and 5. What is the smallest positive possibility
15
square root of 72
6 square root 2
A rectangle has length 12 cm and width 7 cm. Find its area.
84cm2
Find sin30 degrees
1/2
Factor completely x2−16
(x−4)(x+4)
I am a two-digit number. My digits add to 9 and multiply to 20.
45
Simplify 35/32
27
A circle has radius 5 cm. Find its area in terms of pi
25pi cm2
Find the missing side of a right triangle with legs 9 and 12.
15
Expand and simplify (2x−3)2
4x2−12x+9
A chessboard has 64 squares. How many squares are on 3 chessboards?
192
√(18 + 12√2)
3√2 + 2
A cube has surface area 216 cm2 find its volume
216cm3
A right triangle has opposite side 8 and hypotenuse 10. Find sinθ
0.8 or 4/5
Factor completely 6x2−x−2
(3x−2)(2x+1)
Three consecutive integers have a sum of 99. What is the largest integer?
34