Why does a negative times a negative equal a positive proof?

keisha estimates 259 + 372 by rounding each number to the nearest 10 what is keisha estimate of the sum

What is 7,248,193,675 in nearest billion

While flipping a weighted coin, Francesca gets 12 heads and 3 tails. What is the experimental probability that the next flip will come up heads?

Suppose the length and width of the box in exercise 12 double. Does the surface area S double? Explain 10cm 24cm and 27cm are the lengths in exercise 12

What does 18 2/3:7 1/3 equal

What do s the constant proportionality in the equation y = 5x

You roll a six-sided die. Find the probability of each of the following scenarios. (a) Rolling a 4 or a number greater than 3 (b) Rolling a number less than 5 or an even number (c) Rolling a 4 or an odd number

The perfect squares between 21 and 52

I need to make this expression true by using grouping symbols. 2x2+3^2 - 4+3x5

Write these decimal fractions in words 42/100