Combining Like Terms
3x^2-4x+11x-10x^2
-7x^2+7x
1/3 + 1/4
7/12
-4+3(2)
2
-12+20
8
Marvin has $6.50 in his wallet. If he spends $4.75 on lunch, how much will he have left?
$1.75
-x-4-3x+10+4x
6
4/5 - 2/3
2/15
x-10=11
x=21
15-35
-20
Janet is building a fence around her rectangular garden. The fence will be 12 1/2 feet wide and 15 1/2 feet long. How much fence will Janet need for her garden?
56 feet
3(x-4)-10x+5
-7x-7
4 2/3 - 2 3/7
2 5/21
What are the next three numbers in the sequence:
1, 2, 4, 8, ...
16, 32, 64
-9+5-3
-7
Darren buys 3 packs of pencils for $2.00 each, and he spends $8 on lunch. If he has $15 in his wallet after this, how much did he have to start?
$29
-2(x-4)-8
-2x
3 2/9 +2 3/4
5 35/36
20 1/10 - 9 3/4
10 7/20
12-(-2)+(-4)-18
-8
If Eric has a balance in his account of -$32.45 and he makes a deposit of $50.00, what will his new balance be?
$17.55
-3(2x+5)-4(x-4)
-10x+1
10 3/7 - 4 4/5
5 22/35
-14+15-(-3)-(-100)-25+50+(-4)
125
-52-10-(-20)-19
-61
If Dale travels 240 miles in 5 hours, what was his average speed?
48 mph