Ricardo ran the 400-meter race 3 times. His fastest time was 54.3 seconds. His lowest time 56.1 seconds. If his average time was 55.0 seconds, what was his time for the third race?

Adelaide paid $35 for a manicure and gave the manicurist a 20% tip. How much money did Adelaide give her manicurist for the manicure and tip?

Evaluate the expression 7x2y, when x = 5 and y = 3. 210 315 525 728

Write 1.2 x 10^9 as a standard number

The radius of the cone is 1.5 inches, and its height is 3 inches. If the diameter of the bubble gum ball is 0.5 inches, what is the closest approximation of the volume of the cone that can be filled with flavored ice? A.) 21.21 B.) O. O7 C.) 7.00

How do you find the absolute deviation of a data

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Their Anywhere plan charges 20 ¢ per check whereas their Acu-checking plan costs $1.43per month plus 9¢ per check. For what number of checks per month will the Acu-checking plan cost less?

Find the difference (10j-7) - (-9j+2)

X over 15 = 10 over 20. Solve.

4. Here are the ingredients needed to make 12 shortcakes. Shortcakes Makes 12 shortcakes 50 g of sugar 200 g of butter 200 g of flour 10 ml of milk Liz makes some shortcakes. She uses 25 ml of milk. (a) How many shortcakes does Liz make?