Which expression can be used to model the phrase "the sum of three and a number"?

O 3 + x

O - 3

03 - x

x : 3

7+5 (1+4e) ? Simplify to create an equivalent expression

Round these number to the nearest whole number: 3.7 8.5 36.4 6.54

10x=-3-8x^2 Solve by factoring

Alexandra earns $125 from her paper route each month, But she spends about $20 each month on pesonal expenses. To pay for a school field trip that costs $800, about how many months does she need to save money

What is (-m) ^-3n, if m = 2 and n = - 24? A. 3 B. - 3 C. 4. D. - 4

ABC is transformed to form A'B'C' with the following coordinates: A' (-8,2) B' (-4,8) C' (0,-2) Which transformation could transform ABC to A'B'C'?

What is the product of 3.5 • 102 and 2.4 • 103? A. 5.9 • 105 B. 8.4 • 105 C. 5.9 • 106 D. 8.4 • 106

Uf (x) = 2x² + 9, find f (-2)

What is the least common multiple of 84 and 63

Joanie decides to buy matching sweaters for herself and her 3 sisters. The regular price of the sweaters is $37.