Is f (x) = sec x concave up or concave down at x = 17/pi/4

Is any whole number with 5 digits greater than any whole number with 4 digits

What is 38 minus 5.72?

A new car purchased for $27000 looses 15% of it's value each year? What is the multiplier.

Jess decided to look at new and used trucks. Jess found a used truck for $11000. A new truck is $20000, so what percent of the price of a new truck does Jess pay for a used truck?

T=hp+2B solve for B in a literal equation

What is the solution for the equation -6.4 = 5.0 + 2.4m?

14. Shaun has a bag with 12 yellow tiles and 14 green tiles. How many green tiles should be added so that the ratio of yellow tiles to green tiles is 2 to 3?

Find the missing length in the right triangle. 3 in. 12 in.

A manufacturer of computer printers purchases plastic ink cartridges from a vendor. When a large shipment is received, a random sample of 235 cartridges is selected, and each cartridge is inspected.

If the exterior angle of a regular polygon is 22.5, how many sides does it have?