Which choice is a factor of 78

What is the value of the expression x + (-y) when x = - 3.8 and y = 1.7?

A city had monthly rainfall amounts (in inches) of 0.75, 1.25, 0.33, 1.00, and 0.95. What was the difference between the highest and lowest rainfalls?

consider a pyramid with a height of 8 feet. it has a square base with side lengths of 6 feet. what is the volume?

Y-3=1/2x+1 in y=ax+b form

What is x^2+1/3*x^4+2/3

Before school, Janine spends 1/10 hour making her bed, 1/5 hour getting dress, and 1/2 hour eating breakfast. What fraction of an hour does she spend doing these activities?

Based on past records, a salesperson has a 15% chance of closing a sale with new customers. How many sales can the salesperson expect with his next 5 customers? A. 0.75 B. 1.55 C. 3.5 D. 4.25

Jimmie invested $27,500 at 6.27% compounded continuously. What will Jimmie's account balance be in 50 years?

The area of a cross section at station 4+50 is 10.31 sq. in., and at station 5+00 is 14.18 sq. in. The horizontal scale of the cross section is 1" = 40' and the vertical scale is 1" = 10'.

Calculate the inverse of the matrix and find the values for a, b, c, and d: A=[4 12 1 10] A-^1=[a/14 b/7 c/28 d/7]