The ratio of boys to girls at Deerview Middle school is 5:3. If there are 120 boys at the school, how many total students are there 72 students
192 students
120 students
200 students

Match each equation with the operation you can use to solve for the variable. subtract 10. divide by 10. divide by 5. subtract 18. multiply by 10. add 18. add 10. multiply by 5. 5 = 10p arrowright p + 10 = 18 arrowright p + 18 = 5 arrowright 5p = 10 arrowright

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?