Simplify 5a + 3b + 5 +10a +-6b

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4