During a Journey, a car travels at an average speed of 53 km/h for the first hour and at an average speed of 49 km/h for the next two hours. fine the distance of the whole journey.

Jenny puts $1,560 into a savings account. The account pays 2.5% simple interest. How much interest will she earn in 3 years? $1,177 $368 $1,715 $117

What is the sequence in 5, 30, 180

The correlation r between the age of a car x, and the cars mileage, y is 0.768. what percent of the variation in mieage cannot be explained by diffrences in the cars ages? A-23.2% b-41.0% C-59.0% B-76.8%

Ben is 3 times as old as Daniel and is also 4 years lolder than Daniel. How old is Ben?'

A researcher finds that, of 982 men who died in 2002, 221 died from some heart disease. also, of the 982 men, 334 had at least one parent who had some heart disease. of the latter 334 men, 111 died from some heart disease.

If a sequence is defined recursively by f (0) = 2 and f (n + 1) = - 2f (n) + 3 for n ≥ 0, then f (2) is equal to

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18