求一道初中阶段的英语数学题

1. Two numbers differ by 57. Their sum
is 185. Find the numbers. Choices for the smaller number:54 64 74.
2.A bus went 318 km farther than a car.
The car went one third as far as the bus. How far did each vehicle travel?
Choices for the smaller number: 147 151 159
3.one number is four times another
number. The larger number is also 87 more than the smaller number. Find the
numbers. Choices for the smaller number: 29 30 33
4.A clown weights 60 lb more than a
trapeze artist. The trapeze artist weighs two thids as much as the clown. How
much does each weigh? choices for the weight of the trapeze artist : 110 120 125
5. The U.S. Senate has 100 memebers,
all Democrats or Republicans. Recently there were 12 more Democrats than
Republicans. How many Senators from each political party were there at that
time? Choices for the number of Republicans: 38 42 44
6.The ninth grade class has 17 more
girls than boys. there are 431 students in all. how many boys are there? how
many girls are there? Choices for the number of boys: 191 202 207
7. Elena has one and a half times as
much money as Ramon.Together they have 225. how much money does each have?
Choices for Ramom's amount;80 90 95
8. Western state college is 18 years
older than southern state. western is also 2 and the half times as old as
southern. how old is each? Choice for southern state's age:12 14 18

望lz采纳

use the factor therem to factorise the following cubics as far as possible:
f(x)=x(的三次方)-7x+6

-5/2(a-3)除以16/a-3+(a+3)

什么题