1
kg of blueberries cost £1.24
4
Work out the cost of 2kg of blueberries

(write as unit rate) 12 meters in 2.8 seconds =

How many zeros does the function f(x)=4x3-x2+1 have

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)