Uma wants to buy a video game system for $270. she has $60 and is saving $30 each weak. solve the equation 30w+60=270 to find how many weeks w it will take uma to save enough to buy the system

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?