2n+5
3x + 18 = 36
x = 6
87/x = 29
x = 3
3x > 27
x > 9
What is the area of a triangle with base 17cm and height 3cm?
25.5 cm2
Find the nth term:
6, 3, 0, -3, -6
-3n + 9
1.2x + 6 = 10.8
x = 4
0.25x = 13.5
x = 54
16 + 2x < 10
x < -3
What is the circumference of a circle with radius of 4cm?
25.12cm
What is the 70th term in the following sequence:
4, 11, 18, 25, 32
7n-3
70th term = 487
x/3 - 19 = 7
x = 78
15 + 3(x2) = 63
x = 4
3x / 39 < 2
x = 26
What is the area of a circle with diameter 18cm?
254.34cm2
What is the 30th term?
-7, -11, -15, -19, -23
-4n-3
30th term = -123
(3x - 5) / 8 = 5
x = 15
3 - 2x = 15
x = -6
(14x - 18) / 4 > 13
x = 5
432cm3
Find the 100th term:
5, -1, -7, -13, -19
-6n + 11
100th term = -589(7x - 8 )2 + 13 = 182
x = 3
-25 - (4x + 9) = -2
x = -8
4 - 12x > -68
x < 6
What is the volume of a soup can with radius of 2cm and height of 12cm?
150.72cm3