The area of a triangle is 42 and can be found by using the formula A = 1/2bh. The height of the triangle is (x + 3) and the base of the
triangle is (2x + 8). Write and equation to solve to find the value
of x. Answer the questions below...

Which expression is equivalent to 2x^2+7x+4?

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?