2x^2+8y=121.5 if x^2-8y^2=121.5 what is x?

How can I isolate x in y=6x-2x²

Ray is 2222 years older than his sister mary. in 1212 years, he will be twice as old as mary. how old is each of them now

Tomas works as an underwater photographer. He starts at a position that is 19 feet below sea level. He rises 9 feet, then descends 16 feet to take a photo of a coral reef.

Consider the following figure. Which of the following statements are true? A. 2 and 3 form a linear pair B. 1 and 4 are supplementary angles C. m1 + m2 + m 3 = 180 D. m3 + m4 = m1 + m2 E. 1 and 4 are vertical angles

The smaller of two numbers is one-half the larger, and their sum is 27. Find the numbers.

Complete these ordered pairs for this equation. (0,), (-1,), (2,) y=4

Which is the largest interval over which the function shown in the table is decreasing x f (x) = 3x^2 (x, y) -2 12 (-2,12) -1 3 (-1,3) 0 0 (0,0) 1 3 (1,3) 2 12 (2,12) A. x<-1 B. x<0 C. x>0 D. x>3

Nita is going to use 12 ft of wire to make 8 bracelets. She will use the same amount of wire for each bracelet. How much wire will she use to make each bracelet? Simplify the answer if possible.

Supermarket manager arranged 10 rows of cans. he puts 2 cans in the first row, 4 cans in the second row, and 6 cans in the third row. how many cans did the manger put in the fifth row?

What is the next term in the pattern? 0.2, 0.22, 0.222, ...