Determine if this conjecture is true. If not, give a counterexample.

The sum of two negative numbers is less than - 1.

false; - 1/4 + (-1/4) > - 1

true

false; - 1 + (-1) < - 1

false; 0 + (-1) = - 1

Ezra is training for a track race. He starts by sprinting 100 yards. He gradually increases his distance, adding 5 yards a day for 21 days.

Evaluate the expression for the given values of the variables. 4a+7b+3a-2b+2a; a=-5 & b=3 a) 17 b) - 5 c) - 20 d) - 30

Which object has a greater surface area: a cube with edges of 1 centimeter or a cylinder with a diameter and height of 1 centimeter?

What fraction is equal to 1/2 using 14

A train travels 83 kilometers in 3 hours, and then 87 kilometers in 2 hours. What is its average speed? km/hr

Graph 1 Parallel Perpendicular Neither

What term is used to describe the genetic makeup of an organism?

Evaluate: - (-1) + (-7) + (2) - (-4) - (-2) A) - 2 B) 0 C) 1 D) 2'

How to convert 18 gallons/1 hour to cups and minutes

A whitewater raft has a capacity of 10 plus the crew. The raft company has found that 60% of those with reservations show up, so they take up to 12 reservations. What is the probability that 10 people show up?