-4 + 4
0
Write the rational number as a decimal.
7/40
0.175
Simplify the expression.
3x + 8 - 7x
-4x+8
A number k plus 42 is less than 50
k+42<50
Find the unit rate.
78 miles in 13 days
6 miles/day
-8 - (-6)
-2
Write the decimal as a fraction or mixed number in SIMPLEST FORM.
-4.45
-4 9/20
Find the sum or difference
(3j + 11) + (8j - 7)
11j+4
Tell whether the given value is a solution of the inequality
n - 3 > 15; n=8
NO
Tell whether the ratios form a proportion
1/9 and 6/54
Yes
2 times -4
-8
-6 times (-0.05) times (-0.4)
-0.12
Solve the equation
10x = 140
x=14
Solve the inequality
x - 8 < 12
x<20
Tell whether the ratios form a proportion
9/12 and 8/72
No
-4 times -4
16
A fish starts at -27 feet below the sea, and then dives down 32 feet. The fish swims back up 14 feet.
What is the fish's final elevation?
-45 feet
Find the sum or difference
(2x + 5) - (4x + 8)
-2x-3
Solve the inequality
4k - 8 > 20
k>7
Five tickets cost $65. If the cost is proportional, how much do 8 tickets cost?
A football team gains 2 yards, then loses 5 yards, then loses 3 yards, and then gains 4 yards. What is the team's overall gain or loss?
A bank account has $882 dollars. The account changes by -$215.50. The account owner deposits $20.50.
What is the final account balance?
$687
5z + 14 = 44
z=6
Solve the inequality
-2x - 5 < 35
If it takes 6 gallons of paint to paint 4 walls. How many gallons does it take to paint 10 walls?
15 gallons