David drove the first six hours of his journey at 65 km / hour and the last 3 hours of his journey at 80 km/hour how far is the whole journey in kilometers

Add 21 1/2 in. 10 9/16 in.

About travels 16 miles due north in two hours and 24 miles due west in two hours. what is the average speed of the boat?

Write an expression for the number of yards in f feet

The sum of five times h and twice g is equal to 23. Translate sentence into an equation

How do I use the distributive property to express 15+45

An architect represents a 9 inch height as inch on a scale drawing. Which of the following scales did the architect use? 1 foot = inch 1 foot = inch 1 foot = inch 1 foot = inch

86% of senators support a bill. What fraction of senators support the bill?

Lettuce is packaged in four bags to a box. if there are 3.5 boxes of lettuce in a cooler, how many bags of lettuce would there be?

Christy drove 300 miles on her vacation. she drove an average of 1.25 times faster on the secont 150 miles of the trip than she did on the first 150 miles. what expression represents the time she spent driving? let x=her speed on the first half

A circular garden with a radius of 4 ft is planted in the center of a 10-ft square. The part of the square that is NOT the garden is covered with small rocks. What is the area of the region covered with small rocks