Liv earns $9.50 for every two bracelets she sells. The equation y = 4.75x, where x represents the number of bracelets and y represents the total cost in dollars earned, represents this situation. WHAT IS THE CONSTANT OF PROPORTIONALITY? WHAT DOES THE CONSTANT OF PROPORTIONALITY REPRESENT IN THE CONTEXT OF THE PROBLEM. PLEASE ANSWER :( my math hw is due today

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. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.