Which expression is equivalent to 9x + 54 - 27 + 3y + 6y?

Will give brainliest to first person correct! Which fraction has a greater value? 47/142 or 41/120

Vertical angles must:Check all that apply. A. be congruent. B. be adjacent. C. have the same vertex. D. be obtuse.

What is the reason for each step in the solution of the equation? 18-2x=4x

What is the first step in solving a quadratic equation with the form given below (ax+b) ^2=c

you donate 12 cans of food and 4 boxes of macaroni to a food drive. Write an expression to find how much you will earn in 6 weeks.

Describe the house around 678 to the nearest hundred

Find the volume of a pyramid with a square base, where the perimeter of the base is 12.8 m and the height of the pyramid is 17 m. Round your answer to the nearest tenth of a cubic meter.

The area of a trapezium shaped field is 480m^2, the distance between two parallel Sides 15 m and one of the parallel sides is 20m. Find the other parallel side I will mark as brain lies

Chemists measure the acidity of an aqueous solution using pH. The pH is pH=-log-10[H^+] where pH is a measure of hydrogen ion concentration [H^+] measured in moles of hydrogen per liter of a solution. Find the pH of a solution if [H^+]=5.5x10^-12.

I think of a number, multiply it by 2, subtract 5 and multiply the result by 3 Write it as a algebraic question and any number being x