In a certain chemical, the ratio of zinc to copper is 4 to 13. A jar of the chemical contains 598 grams of copper. How many grams of zinc does it contain?

Each flower in a bouquet has 5 petals. There are x flowers in the bouquet. Which expression shows the total number of petals in the bouquet? A. 5x B. 5 : x C. x + 5 D. x - 5

Jessica rented 3 movies for a total of $13.20 the movies Cost the same amount to rent what amount in dollars and cents did Jessica pay to rent each movie?

Carolyn is searching online for tickets to a concert. Two weeks ago, the cost was $30. Now the cost is $39. What is the percent increase? What would be the percent increase if the ticket agent charges an additional $4.

G you have two coins, one of which is fair and comes up heads with a probability 1/2, and the other which is biased and comes up heads with probability 3/4. you randomly pick coin and flip it twice, and get heads both times.

What is the solution to the equation below? Round your answer to two decimal places. 5e2x + 16 = 56

Ben bowled 143 and 216 in his first two games. What must he bowl in his third game to have an average of at least 170?

Estimate the value of ^50

Daniel worked for 213 hours and earned $18.20. How much would he make if he worked for 514 hours?

Is 4 a solution of 2x = 8

Marta said 50 + 1/2m=120 is an equation, while Maribel argued that it is an expression. Determine who is correct and explain why.