Is - 3 a possible solution of - x6 - x3 + 2 = 0?

Asking for a friend since I don't have time. How on earth do they do this?

555 to the nearest ten

What is the volume of a sphere with a radius of 8 mm? round the answer to the nearest whole number?

Sevanna is two years less than twice her sister age write an expression to represent sevanna age if her sister age is represented by n

The maturity value of a 5-year, 6.25% ordinary interest commercial loan is $361,593.75. Find the principal.

4/7 of the students in a classroom are girls if there are nine boys in the class how many total students are there? A. 14 B. 28 C. 21 D. 12

Use the above figure to answer the question. How long is arc ACB if the radius of the circle is 6? Round your answer to two decimal places.

On a scale drawing, a cell phone tower is is 1.25 feet tall. The scale factor is 1/150. What is there height of the actual cell phone tower? A.) 37.5 feet B.) 148 feet C.) 120 feet D.) 187.5 feet

What is the solution to the equation 6x = 30? A. 5 B. 6 C. 29 D. 41

Ron lives 6 miles due north of the ball field, and Stan lives 8 miles due west of the ball field. What is the straight line distance between their homes? (It makes a right triangle.) A. 8 miles B. 10 miles C. 20 miles D. 50 miles