6h + (-8.7d) - 17 + 6d - 2.4h simplify the expression

What is 28.26 rounded to the nearest tenth

If 5 mi=8km, about how many miles would be equal to 50 km? explain

The graph represents the distribution of the number of questions answered correctly on a 50-question math test. what is the standard deviation of the data? 4 8 12 14

How many solutions are there to the system of equations? {-4x - 5y = 5 - 0.08x + 0.10y = 0.10} A) no solutions B) one solution C) two solutions D) an infinite number of solutions

What is the sum of the interior angles in a hendecagon

Write and solve an equation to find the number n The difference of three times a number and 4 is - 19 Equation: = - 19 The number n=?

Two numbers that have eight as a factor

Joseph removes 7/8 gallon of white paint from as can. Then he adds 7/8 gallon of blue paint to the can. What is the overall increase or decrease in the amount of paint

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 Find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.

A service club wants to buy tickets to a baseball game. Tickets are avalible for the grandstand and for the bleachers Grandstand's ticket is $25 Bleachers Ticket is $15 Which expression represents the total cost, in dollars, for g grandstand and b