In Landon's math class, there are 12 boys and 15 girls. Which of the following is the ratio of boys to girls in Landon's math class?

Consider the reaction 2x2y2+z2⇌2x2y2z which has a rate law of rate= k[x2y2][z2] select a possible mechanism for the reaction.

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265