A number is doubled and then the product is increased by 6. This sum is then multiplied by - 3, and the result is 54 greater then three times the opposite of the number. what is the number?

Find the X Intercept of the parabola with vertex (-3,16) and y intercept (0,-20)

Eun Mi raked 1/3 of her mother's lawn. Her brother, Yeping, raked 1/3 of the rest of the lawn. What part of the whole lawn still needs raking?

Solving an Equation with Vallables or Solve the equation. 5x + 6 = 2 (2x - 3)

The exact value for the density of aluminum is 2.699g/cm3. Working in the science lab at school, Joseph finds the density of a piece of aluminum to be 2.75 g/cm3. what is Joseph percent error? (Round to the nearest hundredths)

Write (27a^-6) ^-2/3 in simplest form.

2³⁰+2³⁰+2³⁰+2³⁰+2³⁰ = ? what is the value?

How to identify the factors in the expression 6 (x+5)

Find the sum 12/13 + ( - 1/13)

Evaluate the expression, if x=4, y=9, and z=7. x (y + z - 3 squared)

Jade measured the height of an art frame as 5.23 feet, but the actual height was 6 feet. What is the percent of error in Jade's measurement? 12.83% 13.55% 14.72% 15.55%