Q2. A cycle track has two identical semi-circular ends and two straight sides as shown.
Not drawn accurately
100 m
40 m
A cyclist completes one lap.
Her average speed is 18 m/s
Her target time to complete one lap is 30 seconds.
Does she beat her target?
You must show your working.

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square