If - 2x+xy=30 and y=8, then what is the value of x?

Continue the pattern for 3 more numbers, 1, 3, 7, 13, 21,__, __, __. What is the pattern?

If two cards are drawn without replacement from an ordinary deck, find the probability of getting an ace of clubs and four of hearts

Bluetooth headphones were bought from the manufacturer for $40. The store sold them for $60. What was the percent markup? A. 100% B. 60% C. 50% D. 15%

The regular price of a child's entry ticket to a water park is $8 less than that for an adult's. The park offers half off all entry tickets during the off-peak season.

What is 9/100 reduced to?

Alan took a math quiz last week. hw got 6 out of 8 problems correct. What percentage did Alan get correct?

What is 2.2 as an improper fraction

Calculate dy/dxif y = 4x3 + 3x2 + 2. A. 12x2 + 6x B. 12x3 + 6x2 C. 12x3 + 6x2 + 2 D. 12x2 + 6x + 2

A train leaves Little Rock, Arkansas, and travels north at 60 kilometers per hour. Another train leaves at the same time & travels south at 65 kilometers per hour. How long will it take before they are 500 kilometers apart?

Use binomial thereom to expand (x+6) ³