8x + 3x in a expression

If C (m) = 0.50m + 30 represents the cost of renting a car, how many miles were driven if the cost is $130? 50 miles 80 miles 200 miles 320 miles

Which number can be removed from the following list of data so that the median will remain the same? 70, 15, 28, 65, 45, 50, 40

The function f (x) is continous on the interval (-3, 4). If we know that f (-1) = 4 and f (3) = 7, what can we say about the outputs of f (x), i. e. what values does f definitely take and/or not take?

2 (3x+4y) I need this problem worked out

Will Upvote you! Evaluate the function rule for the given value. y = 8 ∙ 3^x for x = 4 A: 96 B: 1944 C: 647 D: 648

Jason made Christmas cookies in the shape of stars and snowman. She made 12 star cookies and 8 snowman cookies. What percent of the cookies were shaped like a star?

Find the upper bound estimate for 354 + 267.

What is the solution to this system? Y=-5x+8, y=11/7x-4/7

Find the common ratio of the sequence. 1, - 1, 1, - 1 ... a. - 1 b. 2 c. - 2 d. 0

Luke buys 7 new pencils. Now he has 21 pencils. How many pencils did Luke have at first?