The slope is-2/-2 because of the y and x axis
Can't see the figure, but the basic way to solve this problem is to use the formula for volume of a pyramid which is (length * width * height )/3. Slant height is just the square root of ((length/2)2 + height2) recognizing that there is a right triangle there. Since slant height increased by 4 cm when its height increased by 2cm, you know that the length/2 term had to increase by the square root of 12 (22+root(12)2) = 42=16. From there you can figure out the rest pretty readily.
Follow the order of operations
1. parentheses (13+5) = 18
2. multiplication 21*(13+5) = 21*18 = 378
3. add 9 + 21*(13+5) = 9 + 378 = 387
Hope this helps!
This means that she has 4 hours of free time since 25% is 1/4 and it said that 25% was 1 hour so you mush multiply 1 to 4 since it has 4 parts and 1 hour is only the 1st part.
It percent must be a 100%. So if she knows that 72% students choose a mascot, then take 100% subtract 72% you'll get 28%. Which mean the other 28% of the student will choose a Viking as their mascot.