1x + 18y = 27, 8x + 11y = 31 what is the x value?

The Mississippi River is about 8 times the length of the Hudson River. If the Hudson River is about 300 miles long, about many miles long is the Mississippi River? Write and solve an equation.

The base area of a prism is 140 square feet. Its height is 6 feet. What is the volume of the prism? A. 280 ft3 B. 146 ft3 C. 420 ft3 D. 840 ft3

Data from a sample of citizens of a certain country yielded the following estimates of average TV viewing time per month for all the citizens. The times are in hours and minutes.

Bethany used the steps below in an attempt to solve for angle B in triangle ABC. 4.1 cm 2.7 cm 4.5 cm [Not drawn to scale] 4.12 - 4.52+2.72 - 2 (4.5) (2.7) cos B 4.1=4.5+2.7-24.3cos B -3.1--24 3cOSB 0.1276 = COS B

How do you redraw a scale drawing with a new scale

Chen is keeping track of mileage to find out how many miles per gallon he gets in his truck. If he puts in 12 gallons of gas and has driven 212.4 miles since his last fill-up, how many miles per gallon does his truck get, to the nearest tenth?

Round 421,906 to the nearest hundred thousand and to the nearest thousand

Jill arranged her baseball cards in 4 rows of 9 cards then she arranged the cards in 2 rows of 18 cars how many other ways can Jill arrange her baseball cards in equal rows

4, 16, 13, 52, 49, 196, 193, 772, _ What comes next?

What's 1 fourth of 1490