If the old sea ice level was 7 million sq. km in 1978 and the new sea ice level is 4.5 million sq. km in 2020, then what is the percentage change over the years?

Which basic geometric term can be called "half of a line"? A. Ray B. Vertex C. Segment D. Angle

How many solutions are to 2x - 5y=17 6x-15y=51

Which car gets the best gas mileage, or most miles per gallon? Car Mileage car A 200 miles on 8 gallons car B 28 miles on 1 gallon car C 279 miles on 9 gallons car D 140 miles on 7 gallons car A car B car C car D

How to solve (8x-30) + (6x+10) = 180

Log 162 can be written as

Start time 657 elapsed time 47 min

Which expression is equivalent to 5^3 select all that apply a. 5^7 x 5^-4 b. 5^12/5^4 c. 5^1 + 5^2 d. 5^0 x 5^3 e. 5^3 - 5^0

Forty percent of the citizens in Small Town, USA voted in the local election. If 394 citizens voted, then how many citizens are there in Small Town, USA? A. 824 B. 985 C. 760 D. 1,208

3/5 of a number is 21. Find the number.

The ratio of the corresponding side of two regular polygons is 3:4 the area of the larger polygon is 320 m squared what is the area of the smaller polygon?