X + (2x+15) = 90 how to solve this math equation

Mathematics VII What is the coefficient of a variable that appears by itself, like "a"?

What is the height of Mount Bona rounded to the nearest ten thousand feet if it is l6,500

The canvas wind shelter is to be constructed for use on Padre Island beaches. It is to have a back, two square sides, and a top.

Give the slope-intercept form of the equation of the line that is perpendicular to 7x + 3y = 18 and contains P (6, 8).

rodney multiplies 3 times itself 104 times:3x3x3x ... x3. (If youve seen exponets, this can also be written as 3 to the 104 power.) What is the last digit of Rodneys number?

What is the slope intercept form of a line going through (8,5) and (5,1)

Marcia claims that the GCF for (2x2 + 4xy + 8xy4) is 8x2y4. Explain if she correct or not. If she is correct, justify her claim. If she is not correct, explain her error and state the correct GCF

A fish tank has 8 goldfish 20 mininows and 6 turtles

During a hike, 3 friends equally shared 1/2 pound of trail mix. what amount of trail mix, in pounds, did each friends recieve

A coin is tossed three times. What is the probability of getting 3 tails in a row?