Solve by elimination 5x+y=0 5x+2y=30

Write a word problem using the whole number 4 and the fraction 3/8' then solve the problem.

The expression 12a+7s is the cost in dollars for A adults and S students to enter the local marching band competition. Find the total cost for four adults and 30 students

This year Gary will earn 2.5 times as much as he earned 2 years ago 2 years ago he earned $4,534.86. How much will he earned this year? This year he earned $9,218.50. How much did he earn 2 years ago?

A flock of mallard ducks and a flock of pintail ducks are swimming in a lake. there are 28 ducks in each flock. if half the ducks from the mallard flock leave the lake, what is the total number of ducks that will remain in the lake?

Solve each equation write each equation in simplest form. -6q + 5.8 = 23.8 A. q = 3 B. q = - 3 C. q = - 1.83 D. q = 4.93

Everyone in a class of 30 students takes math and history. Seven students received an A in history and 13 received an A in math, including four that received an A in both courses. How many students did not receive an A in any of these two courses?

What isn't the exact value for Sin (1305) degrees?

What is the x-intercept of x + 9y = 1

What is 43/50 as a percent?

How else can the ratio 14:1 be written? A. 1.4 B. 14/1 C. 1/14 D. 1:14