(7+ 41) divided by 2 - 15 sorry but I’m going to be needed help a lot sorry

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Write the rational number in lowest terms 99/-15