How do you know what steps to do in the system of equations in math 8

The first day, Brian saw 31 birds and twice as many squirrels as birds. The second day, Brian saw 20 birds and 42 squirrels. Which of the following is a good estimation of how many birds and squirrels Brian saw in the two days? A.

Which line has a slope of 4 and an x-intercept of 1? A. - x/2 + y = - 4 B. - 8x + 2y = 8 C. 8x - 2y = 8 D. 8x - 2y = - 8

What is. 66667 as fraction

What line on a production possibilities curve shows the amounts of goods produced? A. production possibilities frontier B. opportunity cost line C. utilization of resources D. maximum possible production line

M3 - 3 (x2 + 2). m = - 2 and x = - 1

Wrote and solve an equation to find the number. The difference of twice a number and 7 is 9

Concert marketing: The college's performing arts center wanted to investigate why ticket sales for the upcoming season significantly decreased from last year's sales. The marketing staff collected data from a survey of community residents.

Which equation represents the sentence? Eight less than a number is one-third the number. 8 - n = n/3 n - 8 = 3n n - 8 = n/3 n/3 - 8 = n

The town of lantana needs 14,000 for a new playground. Lantana elementary school raised 5,358, Lantana middle school raised 2,834 and Lantana high school raised 4,132

A function rule takes an input, n, and converts it into an output, y, by increasing one half of the input by 10. Determine the output for this rule when the input is 50 and then write an equation for this rule.