Which of the following could not be used as a straightedge? a banana a ruler the edge of a book an edge of a piece of cardboard

Which is the graph of the function y=2(4)^x

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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