Which answer is closest to teh value of X?? show your work! (DON'T USE A CALCULATOR!!!)

5x^{2} + 2 = 242

A. 6.89

B. 7.54

C. 6.32

D. 6.49

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex