Which expression is equivalent to −4.7+(−0.3)+(−1.4) ? a.) (4.7+0.3)+(−1.4) b.) −4.7−(0.3−1.4) c.) −4.7+(0.3+1.4) d.) −(4.7+0.3+1.4)

Solve |2x - 5| = 4 if anyone could , that would be great

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. shania found the middle number of her scores. which type of measure did she find?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years