Suppose that we want to decide whether a newly developed gasoline additive increases gas mileage. Experimental design:A. Randomly select 20 cars, with 10 cars driven with additive and 10 cars without additive;B. 10 cars are selected at random and the 10 cars are driven both with and without the additive.

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

which would be true for stem changing verbs?

they have a consistent spelling change in the stem of the verb.

what is different about the verb “venir” as compared to other stem-changing verbs?

only the third person forms have a stem change.

which of the following could not be considered a “stem-changing” verb?

querer

which of the following would not be condsidered an event?

desfile

what word could be used in response to the following?

¿qué quieres comprar?

quero

what word could be used in response to the following?

¿dónde uds. pueden ir?

vamos  

ellos ir al centro comercial.

yo comprar un vestido.

pedimos

dónde tú?

dormes

step-by-step explanation:

236 cm 16 time 12 = 192

6 times 7 = 42

192+42