Taking the speed of sound in air to be 330 m/s, select the correct frequency of a sound wave with a wavelength of 25 cm:
a. 1320 hz
b. 990 hz
c. 355 hz
d. 8250 hz

The precision of a voltmeter is ±0.005 v. the accepted value for a measurement is 9.016 v. which measurement is in the accepted range? 9.005 v 9.006 v 9.018 v 9.025 v

Read this excerpt from a room of one's own by virginia woolf: nick greene, i thought, remembering the story i had madeabout shakespeare's sister, said that a woman acting puthim in mind of a dog dancing. johnson repeated thephrase two hundred years later of women preaching. andhere, i said, opening a book about music, we have the verywords used again in this year of grace, 1928, of womenwho try to write music. 'of mlle. germaine tailleferre onecan only repeat dr johnson's dictum. "sir, a woman'scomposing is like a dog's walking on his hind legs. it is notdone well, but you are surprised to find it done at all."which sentence best states the idea that this excerpt to develop? a. women have faced negative attitudes in some areas, but otherareas have always been open to them. b. women have always faced negative attitudes in jobs that weretraditionally dominated by men. c. women had faced negative attitudes in shakespeare's time, but inwoolf's time, these attitudes had improved.,d. women have always faced negative attitudes in music andpainting but not in literature or acting.

En casa de inés el gasto de electricidad supone un doceavo del presupuesto mensual de ese gasto cuatro quintos corresponde al consumo de los electrodomésticos y de este consumo tres cuartos corresponden los aparatos de la cocina si la gasto de los aparatos de la cocina fue de 80 € al mes pasado cuál era el presupuesto completo