A student is analyzing data from a density experiment. The student records a mass of 76.68 g and a volume of 50.5 mL. The student is trying to calculate density (mass divided by volume) and use the correct number of significant digits. Which answer is correct?
1.518 g/mL
1.51841584158 g/mL
1.51 g/mL
1.52 g/mL

What is the rotational symmetry of a wheel

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

How do i do this activity, is appreciated