Graph - 3x^2+12y^2=84. what are the domain and range?

I already know the domain is all real numbers and the range is y≤-√7 or y≥√7

I just need to find out how you get to that.

Students at hammond middle school are raising money for the end of the year school party. they decide to sell roses for valentines day. they also need $60 to buy ribbon and paper to protect the roses as well as materials for advertising the sale.

What is the value of x? x+4=-9 X=

Ricky has 27 fewer stamps than Elsa. If Elsa has 62 stamps, how many stamps does Ricky have?

There are 16 pink stripes and 20 green stripes find the ratio of pink stripes to green stripes

Use the order of operations to find the value of the expression. 12:2*3 - (7-5) O A. 0 O B. 6 O C. 16 O D. 19

113, 183, 479, 120, 117 What is the mean, median and mode? Make sure to label each answer. Round any decimals to the tenths place. Would mean, median or mode be the best measure to describe the data?

What is the volume of a cylinder with a height of 11.8 cm and a base with a radius of 8.3 cm, to the nearest tenth of a cubic centimeter?

Thomas earned $1,235 last week. He had $382.85 taken out in taxes and insurance. What percentage of his pay was taken out in taxes?

A=25, b=12, c=4, d=4: a + (b+c). d

What is the equation of a line in slope-intercept form with a slope of - 3/4 and a y-intercept of - 2