Grade 7 math

can anyone me work out these math questions? show your work if you will.

solve this equation : 25 - 4 ^ 2 (power) divided by 8

(that is 25 subtract 4 to the second power divided by 8 )

solve this math equation : 12 x 5 - 8/4 + 7 x 2

(that is 12 multiplied by 5 subtract the fraction 8 over 4 add 7 multiply by 2 )

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

answer: the sun

explanation:

water cycle describes the evaporation of water from earth's surface, formation of clouds and precipitation water back onto the surface of earth. seventy percent of the earth is covered with water in the form of seas and oceans. the heat of the sun causes the evaporation of water from the surface of the ocean. the water vapors rise and condense to form water droplets. the collection of these water droplets form clouds which rain down again.

the evaporation of the oceans surface water as part of the water cycle is caused by the sun