The fuel efficiency for a new helicopter engine is given by the continuous function r(c) where r is measured in gallons per mile .

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

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!