A lawn sprinkler sprays water 4 feet in every direction as it rotates. What is the area of the sprinkled lawn?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out