A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time[..]

Jane has 50 coins, all in 5 and 1 peso coins, amounting to 130 pesos. How many 5 peso coin does he have

After a boulder is pushed down a hill, its speed s(t) at time t is given by the formula s(t)=v+at, where v is the[..]

For a particular linear function f(x)=mx+b, f(−2)=11and f(3)=−9. Find m and b.

It takes a plane 10 hours to travel 1200 miles with the wind. The return trip takes 12 hours. How fast is the wind[..]

a florist uses 160 roses to make 5 identical flower arrangements. How many roses would the florist use to create 8[..]

A rectangular garden has an area of 700 square feet.The width of the garden is 20 feet.The owner has 100 feet[..]

In 1999 there were 4,682 students enrolled in district 210. in 2007, the district has 7,115 students. Predict the[..]

The area of a rectangular plank is 4500 cm². The plank was broken into two pieces, one of which is a square and the[..]

what is 6% of 159,000