Keisha estimates 259 + 372 by rounding each number to the nearest 10. What is Keisha's estimate of the sum?

Explain how to find the reference for 1.406 degrees

The ratio of the number of Victor's tools to the number of Ilya's tools is 5:2. Victor has 42 more tools than Ilya.

Use properties to find sum or product of 34+0+18+26

I am regular polygon with all obtuse angles. I have the smallest number of sides of any polygon with obtuse angles. How many sides do I have? and what shape is it? is it a triangle?

What is the standard form for y=3x+11?

In a fraction with a denominator of 15, which value could the numerator be to produce a repeating decimal? A) 9 B) 11 C) 12 D) 15

What is the rate and unit rate of 36 strikeouts in 54 innings?

Find the circumference of a child's swimming pool that has a radius of 3ft

There are 80 marbles in a bag. You randomly choose 20 marbles from the bag. The results are shown in the table. Predict the total number of yellow marbles. Color Blue 6 Red 9 Yellow 5 There are about ___ yellow marbles.

Lily forgot the security code for her apartment building. the code is two different numbers followed by a letter. how many different possible codes are ther?