A septic tank has the shape shown to the right. How many gallons does it​ hold? (1 ft cube equals 7.48 ​gallons) A solid has two identical half-sphere bases and a smooth side that connects the two bases. The length of the smooth side is 6 feet 9 inches. The diameter is 3 feet 6 inches.

6' 9''

3' 6''

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.