Crystal's mud mask costs $23 for a 0.45 oz jar. she found the same mud mask online for $72. what is the size of the jar crystal found online?

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

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Which strategy is used by public health to reduce the incidence of food poisoning?