18:2-4^2+9=? Trying to answer this problem is giving me a headache

There is a sales tax of $6 on an item that costs $93 before tax. A second item costs $294.50 before tax. What is the sales tax on the second item?

Which equation has the least steep graph? a. y=1/4x+9 b. y=-1/2x-3 c. y=-6x+1 d. y=2x-7

Which model represents the factors of x2 + 9x + 8?

Increase 120 m by 130%

Definition for reflection

What is the reference angle of - 3 radians? Explain.

What is the volume of a square based pyramid with a side 11 cm and a perpendicular height of 20 cm

Gwen had 7 1/7 cups of flour. If she used 3 5/7 cups baking, how much flour did she have left

Which expressions are equivalent to 10 a - 25 + 5 b

The high school, middle school, and elementary school are all on the same road. The distance from the high school to the middle school can be represented by the expression 8.7x2+11.9x+3.5.