8x + 3x in a expression

The height of a triangle is 4 m less than its base. The area of the triangle is 48 m^2. What is the length of the base?

If one inch represents 18 feet, what dimensions would you use to make a scale drawing of a building 630 feet by 450?

A stadium has 50,000 seats. Seats in section A cost $30, seats in section B cost $24, and seats in section C cost $18. the number of seats in section A is equal to the total number of seats in section B and C.

what is 2.33 as a fraction

The equation 1 - 4⁄3x = 1⁄2 (-x + 7) has what type of solution set

The ages 6 brothers are consecutive even integers. The sum of thair ages is 57 if the age of the oldest brother.

What is 3.8 greater than or equal to b plus 4?

Susannah has a high-yield savings account into which she deposits $120 each month. At the beginning of the year, Susannah's account balance is $800. In the equation below, x represents the amount of time, and y represents Susannah's account balance.

Round 781,407 to the nearest ten thousand?

The population density of Peru one year was approximately 23 people per square kilometer. Brazil has a land area of approximately 8.5 million square kilometers.