If you make an identical copy of a triangle, rotate the copy 180 degrees and combine the two triangles, you will form a . A
parallelogram

B
bigger triangle

C
trapezoid

D
cube

(this is for 7th grade)

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.