Bobby sells smoothies. Large smoothies, x, cost $6 each, and small smoothies, y, cost $4 each. He sold 20 smoothies for $100. Write a system of equations to represent the real-world situation. How many of each size smoothie did
Bobby sell?

Which expression is equivalent to sq-80

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points