Helen delivers parcels on tuesday helen delivered 20% more parcels than on monday. On Wednesday, helen delivered 50% fewer parcels than on Tuesday.
On Wednesday, helen delivered 72 parcels
calculate the number of parcels that helen delivered on monday

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

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7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13

if the angular bisector of an triangle bisects the opposite side, prove that the other two sides are equal.