The coefficient of x in the expression 3-4x+2.
-4
Increase 12 by 10%.
13.2
Simplify:
a3 x a2
a5
Find the perimeter of the shape.
36 cm
8x - 2 = 30
x = 4
Substitute y=-3 into y2
9
Decrease 90 by 4%.
86.4
Evaluate (8 - √4)2
36
Find the area of the shape.
63 m2
Solve:
x/2 + 3 = -9
x = -24
Simplify 3(2+3x)-5
9x+1
What is 20% of 65?
13
Determine the value of x
2x=32
x=5
Find the value of x in the shape.
2.1 cm
Solve:
2(3x+4)=20
x=2
Expand and simplify:
5(x + 2) - 3(7 + x)
2x - 11
If there are 18 girls in the class, and 30 students total, what percentage of the class are boys?
40%
(2x)3 x (3x)2
72x^5
Find the area of the shape.
21 mm2
Solve:
x/3 - (2x)/5 = 1
x = -15
Simplify as a single fraction:
(5x)/12
Increase 40 by 60%, then decrease that number by 60%.
38.4
(2a3b2 x 4a)3
512a12b6
The Perimeter of the shape is 84, find the Area
292 km2
Solve:
(x - 4)/5 + (2x - 5)/6 = 3
x = 139/16