At dinner, the meal cost $22 and the sales tax of $1.87 was added to the bill. How much would the sales tax be on a $66 meal? What is the tax rate for meals in this city?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

1: 4 if the wew 35 surfboards at the beach how many were short boards?