The world health organization estimate that 5% of all adults in sub-Saharan Africa are living with HIV. a survey takes a random sample of 1600 adults from all over sub-Saharan Africa and find that 84 have HIV . The sampling distribution of the proportion who live with HIV is approximately

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.