Math

Simplify

100

1 - 4b + 5b - 4b³

1 - b - 4b³

200

2 + 5n⁴ + 5n⁴ + 1

3 + 10n⁴

300

3(2m - 2n)

6m - 6n

400

4(3m + 5n)

12m + 20n

500

(b + 4)(3b - 4)

3b² + 8b - 16

Solve

100

17x + 12 = 54 - 4x

x = 2

200

4x - 4 = 3x + 2

x = 6

300

6x - 16 = 5x - 9

x = 7

400

3x + 39 = 2x + 42

x = 3

500

3(x - 2) - 2(x - 3) - 5 = 0

x = 5

Percent

100

35% of 97

33.95

200

What is the percentage of 25 out of 40?

62.5%

300

What is 135 minus 27% of its value?

98.55

400

Convert to a percentage:
38/125

30.4%

500

Which is greater: 

54% of 184 OR 62% of 157

54% of 184

x/÷

100

15 x 23

345

200

250 ÷ 40

6.25

300

13.6 x 21.4

291.04

400

36.99 ÷ 0.3

123.3

500

7³ x √36

2,058

Slope

100

Find the slope:
y = 3x + 2

3

200

Find the slope:
y = 2x + 7

2

300

Find the slope:
y = 10x - 3

10

400

Find the slope between the points:
(4,3) (-2, -1)

4/6 or 2/3

500

Find the slope between the points:
(-5, 3) (4, -5)

-8/9