There are 4 boys for every 10 students in Ms. Day's math class. If there are 30 girls in her class, how many boys are there? (with explanation)

Use the change of base formula to evaluate the logarithms to the nearest thousandth. log36 = log520 = log2 (1/5) =

On a recent road trip, it took Kelly 4 hours and 45 minutes to travel 266 miles. What was Kelly's average speed for the road trip? A) 5miles per hour B) 1264miles per hour C) 60miles per hour D) 56miles per hour

Where does the graph of y=-0.5x - 2 cross the x-axis

Find the value of x when 6 minus 2 x6-2xequals=5 x minus 9 x plus 145x-9x+14.

A major stadium has 45000 seats. if baseball fans have bought 5/8 of the seats for the next game, how many seats are available?

Solve each equation. write each equation in simplest form 7x/8=21 a. 24 b. 18.375 c. 1.857 d. 19

Complete the factorisation of this expression by finding the values of the capitalised pronumerals. 12a+15b+9c=X (Aa+Bb+3c) X= A= B=

Express 1507 million in a standard form

Which are samples that are appropriate to survey regarding how the city's residents feel about building a new youth center? Select all that apply. - 10 names selected from the city phone book.

Carlos made n soccer goals last weekend and 4 more this weekend. Using n, write an expression for the number of soccer goals Carlos made during the past two weekends.