Combine like terms
#41
Find the perimeter of a rectangle with the length (6x2+3) and a width of (x2-1)
14x2 + 4
#47- A radar on the expressway recorded the speeds of 5 cars:
65, 60, 70, 62, 66
Find the median
65
#42- solve the following inequality
16> 3x +1
x<5
#51- If a remote control car can travel 30 feet in 10 seconds, how many feet can it travel in 15 seconds?
45 feet
what is 2/9 expressed as a decimal?
0.22
#43 subtract (2x2 - 3x) from (-6x2 + 8x)
-8x2 + 11x
#47- A radar on the expressway recorded the speeds of 5 cars:
65, 60, 70, 62, 66
Find the mean
64.6
#46
solve for m:
-5m < 35
m>-7
#54- If the population in a small town in 2020 was 567 people. In 2021 the population in the same small town decreased to 450 people. To the nearest tenth, what is the percent change?
20.6% decrease
#52- The temperature is 52 degrees in Yaphank at 12pm. If the temperature drops 12 degrees an hour later and then goes up 23 degrees the following hour, what temperature is it in Yaphank at 2pm?
63 degrees
#44
2(3x - 4) - 5x +6
x-2
#47- A radar on the expressway recorded the speeds of 5 cars:
65, 60, 70, 62, 66
Find the mode
no mode
#48- solve:
6(3m+2) - 20m = -24
m=18
In a bag of red and green candies, the ratio of red to green candies is 4:12. If the bag contains 102 green candies, how many red candies are there?
34 red
#55- Brian is purchasing uniforms for the football team. The uniforms cost $35 each and there is a sales tax of $16.25 for the entire order. If the total amount of the order came to $996.95, what is the equation that could be used to determine the number of uniforms, x, that were ordered?
35x + 16.95 = 996.95
#63
subtract (2x - 3y) from (9x+4y)
7x+7y
#56- Brandons quiz grades are :
25, 10, 15, 20, 10
Find the range
15
Solve:
(x/3) + 4 = 12
x=24
There are 310 dogs at the vet. The ratio of dogs to cats is 5:4. How many cats are there?
248 cats
#60- Vanessa invested $6,000 at a 2.5% interest rate, for 3 years. How much interest will she earn?
$450
#48
simplify:
|6-5-3| + 33 - 6(8)
-19
#56- Brandons quiz grades are :
25, 10, 15, 20, 10
Find the mean
16
Solve:
-3x + (-2) = -17
x= 5
If 6 pounds of oranges cost $6.75, what does 1 pound cost?
$1.13
#45- A local carnival is running a special. It is $5 for admission and $2 per ride. Write the equation to represent the cost of going to the carnival and going on r rides.
2r + 5