Find the lower bound for the following weights: a) 16.4 g correct to 1 decimal place.
b) 21.58 g correct to 2 decimal places.

What is the equation of a parabola y(x) that has a vertex at point (− 1/3 , 0.3) and passes through point (− 2/15 , − 1/2 ).

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)