Yesterday, 4/7 of the 210 students in a contest gave their speeches. How many students gave their speeches?

Hiw do i completely factor 5x^2+36x+7=0

How do you write 100% as a fraction, mixed number, or whole number in simplest form?

Combine like terms - 5x - 3x + 7x

The value of a professional basketball player's autograph rose 40% in the last year. It is now worth $364.00. What was it worth a year ago?

What is the next term of the geometric sequence 7,21,63

Andrew wants to place grouping symbols in the expression 15 + 25 - 18 : 2 so that it has a value of 18.5. Which shows the correct placing of the grouping symbols? A. (15 + 25) - 18 : 2 B. 15 + (25 - 18 : 2) C. 15 + (25 - 18) : 2 D.

The entrance fee for Mountain World theme park is $15. Visitors purchase additional $2.25 tickets for rides, games, and food. The equation y = 2.25x+15 gives the total cost, Y, to visit the park, including purchasing X tickets.

A movie rental company charges $3 per movie, m, and a monthly fee of $20. What is the equation that represents the cost, C, to rent movies from the company for one month

From greatest to least value order 20% of 100, 20% of 500, 5% of 100

What is 7k plus 10-5k can you show the work!