Pls hel What are the domain and the range of this graph? The domain is {x∈R|x≤2} and the range is {y|y∈R}. The domain is {x|x∈R} and the range is {y∈R|y≤2}. The domain is {x∈R|x≤2} and the range is {y∈R|y≤2}. The domain is {x|x∈R} and the range is {y|y∈R}.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?