Is y=4x-1 proprtional

An automobile tire has a diameter of 55 cm. What is the circumference of the tire? (Use pi equals3.14 as an approximate value.)

A grocery store sells chili peppers at $2.04 for a dozen. At this rate, what's the cost per pepper?

Layla used 0.482 gram of salt in her experiment. Maurice used 0.51 gram of salt in his experiment. Which pf the following amounts is greater than Layla but less than Maurice A. 0.48 gram B. 0.6 gram C. 0.505 gram D. 0.12 gram

A cannon launches a cannon ball into the air at an angle. Which of the following two terms best describe the cannon ball's motion? A. Two-dimensional motion B. One-dimensional motion C. Speed D. Projectile motion

What is the value of the discriminant for the quadratic equation - 3 = - x2 + 2x? Discriminant = b2 - 4ac a. - 8 b. 4 c. 8 d. 16

Student loans in 2010 was $25,250 per student. If the interest rate for student loans increases to 6.8%, estimate how much more students will pay over a 10-year repayment period for this "average amount owed" as compared with 3.4%. $ more

Larry used a pattern of colors to make a cube train. he used a red cube, blue cube a red cube and another red cube. before he started the pattern again how many red cubes did Larry use?

What is the value of 4 (3x+5) when x=11

Is the relation (1,3), (-4,0), (3,1), (0,4), (2,3) function? Why or why not?

Yesterday, Jim had b baseball cards. Today, he gave 13 away. Using b, write an expression for the number of cards Jim has left.