Evaluate the expression for the given value of x.

2x + 3 for x = 4
−5x + 7 for x = −2
1.5x − 3.5 for x = 9
0.3x + 9.7 for x = −2

-3/4 x + 10 for x = −4

Trent wants to buy 2 packs of trading cards for 3 dollars each. the trading card packs that trent normally buys tend to come in packs of 6, 10, 12, or 15 cards. after selecting 2 packs, trent found that the first pack of cards cost 25 cents per card, and the second pack cost 30 cents per card. trent uses this information to write the equations below in order to compare c, the number of cards in each pack.

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin