How to solve this equation 2xsquare-4x-6=0

How many significant figures are in the quantity of 105 cm?

Find the mean for each group. 1. 10, 12, 15, 11

8 tons = (blank) pounds

How would you right this as an expression: your mother gave u $13.32 with which to buy a present. This covered 3|5 of the cost. How much did the present cost?

How do you simplify this sum?

Over which interval is the graph of f (x) = -x^2+3x+8 increasing

Does 0.15>0.105 yes or no

22x - y = - 23 (equation 1) 11x + 12y = 1 (equation 2) To find the value of x, you need to substitute in equation 2. The value of x is.

It took Miguel 7 mins 38 secs to run one mile. It took Jorja 9mins 13 secs to run one mile. How many more seconds did it take to run one mile than Miguel

Each dimension of a parallelogram is multiplied by a positive number n. Write an expression for the area of the new parallelogram. Let b represent the base and h represent the height of the original parallelogram.