Combine the like terms to make a simpler expression:
2r+1+(-4r)+7
What is -2r+8
100
Expand the expression and combine like terms:
2−4(5p+1)
What is -20p-2
100
Solve for d.
41 =12d-7
What is 4
100
The diameter of a circle is 3 cm. What is the measure of its radius?
What is 1.5 cm
100
Solve for a.
0.25a+0.5 = 4.5
What is 16
200
Combine the like terms to make a simpler expression:
-2k-(-5)+1
What is -2k+6
200
Simplify: -4(3d-2)-7
What is -12d+1
200
Solve for g.
3 =g/4-5
What is 32
200
The diameter of a circle is 5 cm. What is its circumference? Use 3.14 for pi.
What is 15.7 cm
200
Solve for x.
Your answer must be simplified.
6x≤3
What is x<= 1/2
300
Combine like terms to simplify the expression:
-5.8c+4.2-3.1+1.4c
What is -4.4c+1.1
300
Expand the expression and combine like terms:
−3(2+4k)+7(2k−1)
What is 2k-13
300
Solve for r.
0.5(r+2.75) = 3
What is 3.25
300
A circle has a radius of 10 in. What is its exact circumference?
What is 20 pi in.
300
Apply the distributive property to factor out the greatest common factor.
27-18r
What is 9(3-2r)
400
Expand the expression and combine like terms:
7.4z−5(−1.6z+2.4)
What is 15.4z-12
400
Expand the expression and combine like terms:
8(10−6q)+3(−7q−2)
What is -69q+74
400
Carl is boarding a plane. He has 2 checked bags of equal weight and a backpack that weighs 4 kg. The total weight of Carl's baggage is 35 kg.
Write an equation to determine the weight, w, of each of Carl's checked bags.
What is 2w+4=35
400
The diameter of a circle is 20 cm. What is the area of the circle? Use 3.14 for pi.
What is 314 sq. cm.
400
When should the inequality symbol be flipped when solving an inequality?
What is when multiplying or dividing by a negative number
500
Expand the expression and combine like terms:
1/7 - 3(3/7n - 2/7)
What is -9/7n + 1
500
Expand the expression and combine like terms:
−y−3(−3y+5)
What is 8y-15
500
In winter, the price of apples suddenly went up by $0.75 per pound. Sam bought 3 pounds of apples at the new price for a total of $5.88.
Write and solve an equation to determine the original price per pound (p).
What is 3(p+0.75)=5.88
$1.21
500
A circle has an area of 36 pi sq. in. How long is its diameter?
What is 12 in.
500
64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44.
Write an equation to determine Sarah's age (a).