The resistance, r(in ohms), of a wire varies directly with the length, l(inc) of the wire and inversely with the cross sectional are a(in cm2). a 500 cm piece of wite with a radius of 0.2 cm has a resistance of 0.025 ohm. find an equation that relates these variables.

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Evaluate the expression for the given value of the variable 7a - 4a for a =8

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units