A van travels 190 miles on 10 gallons of gas. Write and solve an equation to find how many gallons the van needs to travel 380 miles.
Kevin leaves his bakery at 6.50 am to deliver some pastries to a hotel. If he drives at a constant speed of 80km/h, He will reach the hotel on time. If he drives at a constant speed of 64km/h, he will be 10mins late. At what time is Kevin supposed to deliver the pastries to the hotel?
In 20 years, Kayleen will be four times older than she is today. What is her current age?
Determine the equation of a line in pointslope form that passes through (3, 4) and is perpendicular
to the line 2x + 3y = 15.
The lengths of three rods are 6 cm, 9 cm, and 11 cm. How can you use those rods to measure a length of 14 cm?
A triangle has an area of 150 m² and a perpendicular height of 15 m. Find the length of its base.
6x⁴  3x  2x⁴ + 2x
= 4x⁴  x Why does it not equal 4x⁴  5x ? Trying to help my son who thinks the  before the 3x is a minus sign not a negative sign. So why do I simplify this part as 3x + 2x = x, he thinks it should be 3x + 2x = 5x, which is subtracted from the 4x⁴. 
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