The side length of an equilateral triangle is 5 centimeters. Find the length of an altitude. Answer choices:
a) 5√2
b) 5√2 /2
c) 5√3
d) 5√3 /2

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?