Mr. Robertson goes to Math Nerds R Us to buy 85 strands of normal algebra lights plus 40 strands of radioactive algebra lights. This trip costs him $169.75. His classroom isn't bright enough, so he returns to buy another 30 normal strands and 55 radioactive strands for an additional $98.75. How much does each type of strand cost?

answer: procent 54 wynosi 33,33%

pla·gia·rism

/ˈplājəˌrizəm/

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noun

the practice of taking someone else's work or ideas and passing them off as one's own.

step-by-step explanation:

the correct answer option is d. la = πrs.

step-by-step explanation:

we know that for a right cone, the lateral surface area is given by:

lateral area of right cone =

here the value under the square root is equal to slant height so replacing this value by in the formula to get:

lateral area of right cone =

therefore, the correct answer option is d.