Consider the function f(x) = -2x2 +3x-8. Determine f(k+4). Fully simplify your answer.

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

5,678.321 what place value is the 1 in